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Cost
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Item Description
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Click Picture
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80.00 |
SP100b Here's a new item, a fabulous Sardonyx
sphere. It measures 2 1/8" in diameter and has a great polish.
This sphere has great variety of contrasting vibrant colors (heat treated) in a neat design. Grab
this one quick!
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Sardonyx is a form of Chalcedony. Chalcedony is a
cryptocrystalline form of silica, composed of very fine intergrowths of
the minerals quartz and moganite. Chalcedony has a waxy luster, and may be
semitransparent or translucent. It can assume a wide range of colors, but
those most commonly seen are white to gray, grayish-blue or a shade of
brown ranging from pale to nearly black. |
Sardonyx Sphere
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$25.00 |
SP101b This is a beautiful Petrified
Wood from Madagascar. It measures nearly 2 1/8" in diameter and has a
nice polish. This sphere has a great mix of rich color and fabulous
design. Grab this one quick!
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Petrified Wood is a type of a fossil as it consists of fossil wood where
all the organic materials have been replaced with minerals while retaining
the original structure of the wood. These minerals are most often Silicates
such as Quartz. Other minerals, Manganese, Iron and Copper, in the water
or mud during the petrification process gives Petrified Wood a variety of
color ranges: black - Carbon; green/blue - Copper; red/brown/yellow - Iron.
Petrified Wood can preserve the original structure of the wood in all its
detail all the way down to the microscopic level. Structures such as
tree rings and the various tissues are often observed features. Although
Petrified Wood can be found worldwide, it is rather rare in larger quantities
and at times can be difficult to obtain by the average collector. |
Petrified Wood Sphere
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$65.00 |
SP102c Here's a fabulous new item, a beautiful Iolite
sphere. It is just over 2" in diameter and has a good polish and an
amazing sparkly Blue color with other accents in a mesmerizing design.
There are even some subtle "rainbow" reflections. It would make a good addition to any collection!
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Iolite is the gem variety of Cordierite. Iolite can be light to
deep blue and usually has a purplish tinge to it. The name "iolite" comes
from the Greek word for violet. Another old name is dichroite, a Greek
word meaning "two-colored rock", a reference to cordierite's strong
pleochroism. It has also been called "water-sapphire" and "Vikings'
Compass" because of its usefulness in determining the direction of the sun
on overcast days, the Vikings having used it for this purpose.
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Iolite Sphere
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$45.00 |
SP103b
This is a good quality Serpentine sphere made from material from Peru. It
measures 2 3/8" in
diameter. There is a good blend of different contrasting colors and Pyrite in the mix along with
the good polish makes this an exceptional truly one of a kind
sphere! It has been hand ground so there are variations in the surface
which just adds to it's uniqueness!
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Serpentine is a group of common rock forming hydrous Magnesium Iron
Silicate minerals. It can contain minor amounts of Chromium, Manganese,
Cobalt or Nickel. Serpentine may refer to over 20 different varieties
that belong to the Serpentine group and the most common are Antigorite,
Chrysotile and Lizardite. The color is often green and may have a mottled
or scaly appearance.
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Serpentine
Sphere
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$50.00 |
SP104b Here is something different for the sphere
collector! This is a very nice, totally Black Obsidian sphere with a
smooth, highly polished mirror like finish. This sphere measures
approximately 3 1/2" in diameter and has a character all it's own.
This is a similar to like item
as they are all very close to appearance and size.
Obsidian is a type of naturally-occurring glass formed as an extrusive
igneous rock. It is produced when felsic lava erupted from a volcano,
cools rapidly through the glass transition temperature and freezes without
sufficient time for Crystal growth. Because of the lack of Crystal structure,
Obsidian blade edges can reach almost molecular thinness, leading to its ancient
use of projectile points (arrow heads), and its modern use as surgical scalpel
blades.
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Obsidian Sphere
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$80.00 |
SP105b
This is a gorgeous Rhodocrosite sphere. It measures
just over 1 1/2" and
has a nice polish. It is a lovely sphere with a nice bright and
pastel pink colors
with brighter shades in the excellent banding. Beautiful!
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Rhodocrosite is a Manganese Carbonate mineral. It is typically a
rose-red color, but impure specimens can be shades of pink to pale brown.
It is used as a key component of low-cost stainless steel and certain
Aluminum alloys. Quality banded specimens are often used for decorative
stones and jewelry, although it is relatively soft and difficult to cut. |
Rhodocrosite
Sphere
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$75.00 |
SP106b Here's a great new item, a very cool Scolecite
sphere. It measures 2 5/8" in diameter. It has a pretty White color with lots of
neat accents. Hold it up the bright light and enjoy the view! This sphere would make a great addition
to any collection! Another photo
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Scolecite is a hydrated calcium silicate mineral belonging
to the Zeolite group. It commonly occurs as sprays of thin, prismatic
needles, frequently flattened on one side. Scolecite is usually colorless
or white, but can also be pink, salmon, red or green. It is transparent to
translucent, with a white streak and a luster which is vitreous, or silky
for fibrous specimens. Scolecite is a common Zeolite often found with
associated minerals including quartz, apophyllite and stilbite.
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Scolecite Sphere
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$110.00 |
SP107c This is a new addition to the Rock Shed's sphere
department. This is an interesting, very cool Petrified Wood sphere from
Madagascar. It measures 4 1/2" in diameter and has a good polish.
The sphere has a great mix of contrasting colors, neat natural cavities
and cool crystal areas all in a wonderful design. Very beautiful!
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Petrified Wood is a type of a fossil as it consists of fossil wood where
all the organic materials have been replaced with minerals while retaining
the original structure of the wood. These minerals are most often Silicates
such as Quartz. Other minerals, Manganese, Iron and Copper, in the water
or mud during the petrification process gives Petrified Wood a variety of
color ranges: black - Carbon; green/blue - Copper; red/brown/yellow - Iron.
Petrified Wood can preserve the original structure of the wood in all its
detail all the way down to the microscopic level. Structures such as
tree rings and the various tissues are often observed features. Although
Petrified Wood can be found worldwide, it is rather rare in larger quantities
and at times can be difficult to obtain by the average collector.
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Petrified Wood Sphere
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$150.00 |
SP108b
Here's a new item, an awesome Celestite sphere from Madagascar. The open cavity has sparkly medium
well defined Icy Blue Celestite Crystals of
different sizes. The back side has been coated with a
clear sealant to prevent external and internal damage to the sphere as
this material is very delicate and fragile. It measures 4 7/8" in
diameter. Definitely something different for the sphere
collector.
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Celestite is a mineral form of Strontium Sulfate which is a metal.
The metal is mixed with Carbon and Sulfur which is used for the red "fire"
in fireworks, flares and road signals. Celestite occurs as Crystals and in
compact massive and fibrous forms. It is mostly found in sedimentary rocks
and is often associated with Gypsum, Anhydrite and Halite. Pale blue
Crystal specimens are found in Madagascar.
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Celestite Sphere
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$325.00 |
SP109b This is an amazing sphere made from Quartz
Tourmaline. It measures 4 1/4" in diameter, weighs nearly 4
pounds and has a nice polish.
This sphere has some subtle "rainbow" inclusions to accent the
Tourmaline in the Quartz. There are a couple of fills and this has been
reflected in the reduced price. Very nice!
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Quartz is the second most common mineral in the Earth's continental
crust. It is mainly composed of Silica or Silica based minerals.
Although Quartz is known by a variety of names, the most important
distinction between types of Quartz is that of macro-crystalline,
individual crystals visible to the unaided eye, and micro-crystalline,
where aggregates of crystals are only visible under high magnification.
There are many forms of Quartz including Chalcedony, Amethyst, Citrine,
and Carnelian which are results of mineral impurities or heat treatments.
Tourmaline is one of the most chemically complicated of all
Silicate minerals. It is a complex Silicate of Aluminum and Boron and the
composition varies widely with Sodium, Calcium, Iron, Magnesium, Lithium
and many other elements that enter into it's structure. It can occur in a
long, slender needle-like crystal to a thick prismatic and columnar
crystal to a radial like daisy formation. It comes in many colors usually
black and brown (iron rich); brown and yellow (magnesium rich); and blue,
red, green, yellow, and pink (lithium rich). This mineral is found in
igneous rocks, like Granite Pegmatite, and metamorphic rocks such as
Schist and Marble.
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Quartz Tourmaline Sphere
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$75.00 |
SP110b This is a very nice Coral Sphere measuring
4 1/4"
in diameter. This sphere has a good polish and mix of contrasting colors in a lovely
design. There are some scuff marks and this has been reflected the
reduced price. A very nice sphere!
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Coral is built by secreting calcium carbonate skeletons.
Hard coral is fossilized over millions of years. It can be almost
any color. The stony Corals are
often found in Coral reefs, large structures generally found in tropical
waters. Reefs are extremely diverse consisting of over 4,000 species
of fish, cnidarians, mollusks, crustaceans, and other animals.
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Coral Sphere
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$260.00 |
SP111b
Here's a cool new item, a rare Petrified Palmwood Sphere from
Texas.
This gorgeous sphere measures 3 3/4" in diameter and has a nice polish. This
sphere has a super color and fabulous design and is also the official
State Stone of Texas. Very nice.
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Petrified Wood is a type of a fossil as it consists of fossil wood where
all the organic materials have been replaced with minerals while retaining
the original structure of the wood. These minerals are most often Silicates
such as Quartz. Other minerals, Manganese, Iron and Copper, in the water
or mud during the petrification process gives Petrified Wood a variety of
color ranges: black - Carbon; green/blue - Copper; red/brown/yellow - Iron.
Petrified Wood can preserve the original structure of the wood in all its
detail all the way down to the microscopic level. Structures such as
tree rings and the various tissues are often observed features. Although
Petrified Wood can be found worldwide, it is rather rare in larger quantities
and at times can be difficult to obtain by the average collector.
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Petrified Palmwood Spheres
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$45.00 |
SP112b Here's something different, an exceptional very dark
Smokey Quartz sphere from Brazil. The sphere measures 2 5/8", has a nice
polish, cool inclusions, brilliant contrasting "rainbow"
reflections and is truly
one of a kind piece! Grab
this one quick!
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Quartz is the second most common mineral in the Earth's continental
crust. It is mainly composed of Silica or Silica based minerals.
Although Quartz is known by a variety of names, the most important
distinction between types of Quartz is that of macro-crystalline,
individual crystals visible to the unaided eye, and micro-crystalline,
where aggregates of crystals are only visible under high magnification.
There are many forms of Quartz including Chalcedony, Amethyst, Citrine,
and Carnelian which are results of mineral impurities or heat treatments.
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Smokey Quartz Sphere
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$85.00 |
SP113c Here's
something we've never seen before, a very cool Pyrite in Matrix sphere. This piece
measures 3" in diameter and has a good polish. It has a very unusual
design and great contrasting color scheme. A great unique addition to
any collection so grab this treasure quick!
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Pyrite, or Iron Pyrite, is an Iron sulfide with isometric Crystals that
usually appear as cubes. It is brittle and can break or powder easily.
Its metallic luster and brass yellow hue have earned it the nickname of
"fool's gold" due to many miners mistaken it for the real thing.
Ironically, small quantities of actual gold are sometimes found in
Pyrite. It is the most common of the sulfide minerals and is usually
found with other sulfides or oxides in Quartz veins, sedimentary or
metamorphic rocks.
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Pyrite Matrix Sphere
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$14.00 |
SP114b This is a very nice Red Jasper sphere. It measures nearly 2" in diameter and has a nice mix of
color and cool design. The sphere is actually darker than appears in
the photo. This is a must have for any sphere collector.
This is a similar to like item
as they are all very close to appearance and size.
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Jasper, or spotted stone, is an opaque, impure variety of Quartz that
is usually red, yellow or brown in color. Some Jaspers simultaneously
exhibit several variants such as banding, flow patterns, dendrites or
color variations. This results in what appears to be scenes or images in
a cut section of the Jasper.
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Red Jasper Sphere
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$140.00 |
SP115b
Here's a great find, an exceptional and unusual Clear Quartz sphere. This
fascinating sphere measures 2 3/4" and has a good polish. It has a
pronounced asterized ray which is extremely unusual for a quartz sphere.
There are also many other areas of reflection including colorful
"rainbows" as well as what we believe to be Tourmaline imbedded
throughout. This is a great rare
find so grab it quick!
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Quartz is the second most common mineral in the Earth's continental
crust. It is mainly composed of Silica or Silica based minerals.
Although Quartz is known by a variety of names, the most important
distinction between types of Quartz is that of macro-crystalline,
individual crystals visible to the unaided eye, and micro-crystalline,
where aggregates of crystals are only visible under high magnification.
There are many forms of Quartz including Chalcedony, Amethyst, Citrine,
and Carnelian which are results of mineral impurities or heat treatments.
Tourmaline is one of the most chemically complicated of all Silicate
minerals. It is a complex Silicate of Aluminum and Boron and the
composition varies widely with Sodium, Calcium, Iron, Magnesium, Lithium
and many other elements that enter into it's structure. It can occur in a
long, slender needle-like crystal to a thick prismatic and columnar
crystal to a radial like daisy formation. It comes in many colors usually
black and brown (iron rich); brown and yellow (magnesium rich); and blue,
red, green, yellow, and pink (lithium rich). This mineral is found in
igneous rocks, like Granite Pegmatite, and metamorphic rocks such as
Schist and Marble.
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Clear Quartz Sphere
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$45.00 |
SP116b This is a pretty Orange Calcite sphere
with an interesting color mix of white and orange. It measures nearly 4" and has
a nice polish and has a very interesting color scheme. This material is
from Mexico. A very pretty sphere.
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In need of sphere stands? We have a nice selection of stands,
Click
here.
Calcite is a Carbonate mineral that is most widely distributed on the
Earth's surface. It is a common constituent of sedimentary rocks with
Limestone in particular. A Calcite formation can take on many different
shapes and sizes which is dependent on the location, ground water occurrence
and temperature. Calcite is usually white or colorless but can be gray,
red, yellow, green, blue, violet, brown or black. The deeper the color
is usually indicative of the definitive impurities from the earth or water.
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Orange Calcite Sphere
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$60.00 |
SP117b This is a very nice Poly Chrome sphere.
This amazing sphere measures 3 5/8" and has a good polish. It has lovely color and design! Grab this one quick as for
sure as it won't last long!
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Jasper, or spotted stone, is an opaque, impure variety of Quartz that
is usually red, yellow or brown in color. Some Jaspers simultaneously
exhibit several variants such as banding, flow patterns, dendrites or
color variations. This results in what appears to be scenes or images in
a cut section of the Jasper.
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Poly Chrome Sphere
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$100.00 |
SP118c This is an absolutely amazing Agate Sphere from
Uruguay. This beautiful sphere measures 3 3/8" and is just lovely! It has
wonderful color, banding, crystal, cavity and design! Grab this one quick as for
sure as it won't last long!
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Agates mostly occur as nodules in volcanic rocks or waters containing
silica in solution possibly derived from the decomposition of silicates in the
lava. The siliceous matter is deposited in regular layers resulting in
the banded or striped formation.
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Uruguayan Agate Sphere
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$70.00 |
SP119b Here is a very nice larger Onyx sphere from
Pakistan. It measures 6" in diameter, weighs nearly 11 pounds and has a very nice polish. This sphere has
lovely color of Brown, Cream and Lime Green with various highlights all
in an interesting design. There are some fill areas and this has been
reflected in the reduced price. A really nice sphere!
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Onyx is a banded variety of Calcite. The colors of its bands range
from white to almost every color except shades of purple, blue and black.
It is used for vases, bowls, beads, cabochons and other items. This type
is found in Mexico and Pakistan and is often carved and polished into
various items. This material is much more readily available and softer
than the gemstone commonly called Black Onyx which is a silica gem.
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Onyx Sphere
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$18.00 |
SP121c Here's a new item, an Orthoceras sphere in a
fossil marble matrix. This unique sphere has a very good well defined
Orthiceras as well as other fossils imbedded in the marble. It has a good
polish and measures 2 1/2". This material is from
Morocco. A very cool sphere.
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Orthoceras is a genus of extinct Nautiloid Cephalopod. These
fossils are common and have a global distribution which occur in any
marine rock, especially Limestone. These are slender, elongated shells
with the middle of the body chamber transversely constricted and a
sub-central orthochoanitic siphuncle. The surface is ornamented by a
network of fine lirae or fine lines/ridges.
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Orthoceras Sphere
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$80.00 |
SP125c
Here is an exceptional Dendritic Opal sphere. This beautiful sphere
measures 3 1/2" in diameter and has a very nice polish. It has
a soft pastel White color with light highlights, lots of Dendrites and tons of accents
and even a couple of small cavities. Just a
magnificent sphere!
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Opal is a colorful mineral of hydrated form of Silica
related to Quartz. It's internal structure makes it diffract light, taking
on many colors depending on the conditions when it was formed. Those
colors can range from clear through white, red, orange, yellow, green,
blue, purple, rose, pink, brown and black. Opal varies in optical density
from opaque to semi-transparent. Opal is the national gemstone of
Australia, a producer of over 93% of the world's supply.
Dendrites are branched or tree like inclusions, usually
manganese or iron oxides that are caused by irreversible aggregation of
small particles forming large cluster. Dendritic crystal growth is common
and resembles a snowflake formation or frost patterns on a window.
Dendritic crystallization forms a natural fractal pattern. The term
"dendrite" comes from the Greek word dendron, which means "tree". It has
only been in recent years that researchers have begun to understand how
dendrites form and these ideas were developed by chemists and
mathematicians working in disciplines called chaos and fractal geometry.
Colloidal-sized particles move in random paths in a phenomenon called
Brownian motion.
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Dendritic Opal Sphere
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