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Cost
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Item Description
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$85.00 |
SP100b Here's a new item, a fabulous Sardonyx
sphere. It measures 2 1/2" 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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$275.00 |
SP101c Here's a cool new item, a fossilized Dinosaur
Bone sphere. This cool sphere measures 3 1/2" with neat dark reddish earth
tone colors. This interesting fossil sphere has great detail of the bone
structure throughout and the good polish enhance the detail. A great
addition for the sphere and fossil collector!
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Dinosaur Bone Sphere
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$55.00 |
SP102b Here's a fabulous new item, a beautiful Iolite
sphere. It is 1 7/8" 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. There is
one really cool sparkly area but did not photograph well so look for it. 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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$35.00 |
SP103c
This is a good quality Serpentine sphere made from material from Peru. It
measures 2" 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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$125.00 |
SP105c
This is a gorgeous
Madagascar Jasper sphere. It measures
4 5/8", weighs nearly 5 pounds and
has a nice polish. It is a lovely sphere with exceptional colors in
a fabulous design. Beautiful!
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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. |
Madagascar Jasper
Sphere
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$70.00 |
SP106c Here's a great new item, a very cool Scolecite
sphere. It measures 2 1/2" 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
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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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$65.00 |
SP107b 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 3 7/8" in diameter, weighs nearly 3 1/4
pounds and has a good polish.
The sphere has a great mix of contrasting colors and cool crystal areas all in a wonderful design.
There are some scratches and healed fractures and this has been reflected
in the reduced price. 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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$80.00 |
SP108b
Here's a new item, an awesome Celestite sphere from Madagascar.
It has a gorgeous blue color with a good polish. It measures 3" in
diameter and is actually darker than appears in the photo. 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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$60.00 |
SP109c This is an amazing sphere made from Quartz
Tourmaline. It measures 2 1/4" in diameter and has a nice polish.
This sphere has some subtle "rainbow" inclusions to accent the
Tourmaline in the Quartz. 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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$70.00 |
SP110c This is a very nice Coral Sphere measuring
3 1/2"
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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$200.00 |
SP111c
Here's a cool new item, a rare Petrified Palm Wood Sphere from
Texas.
This gorgeous sphere measures nearly 3" 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 Palm Wood Spheres
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$60.00 |
SP112b Here's something different, an exceptional dark
Smokey Quartz sphere from Brazil. The sphere measures 3 1/8", has a nice
polish. It has great color, inclusions and subtle "rainbow" reflections. 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
different, a very pretty Mozambique Agate. This sphere measures 2 7/8" in diameter and has a
good polish, great color and exciting design. A great unique addition to
any collection so grab this treasure quick!
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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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Mozambique Agate 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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$80.00 |
SP115c
Here's a great find, an exceptional Rutilated Quartz sphere. This
fascinating sphere measures 1 3/4" and has a good polish. It has
great clarity and is absolutely loaded with Rutiles! 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.
Rutile is a mineral composed primarily of Titanium Dioxide. Rutile
has among the highest refractive indices of any known mineral and also
exhibits high dispersion. Rutile is known to contain up to 10% Iron as
well as significant amounts of Niobium and Tantalum. Rutile creates small
needles within crystals that can be seen when held up to light.
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Rutilated Quartz Sphere
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$80.00 |
SP116b Here's a cool item, a very nice Mystery sphere. It measures
4", weighs nearly 3 1/2 pounds, has a nice polish with a mesmerizing design.
We are not able to accurately identify this very unique sphere, thus we
are calling it a Mystery sphere. Grab it quick!
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In need of sphere stands? We have a nice selection of stands,
Click
here.
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Mystery Sphere
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$55.00 |
SP117c This is a very nice Poly Chrome sphere.
This amazing sphere measures 3 1/8" 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 nearly 3" and is just
lovely! It has wonderful color, banding, crystal, "rainbow"
reflections 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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Agate Sphere
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$60.00 |
SP119b Here is a very nice larger Aragonite sphere from
Mexico. It measures 4 7/8" in diameter, weighs nearly 6 pounds and has a very nice polish. This sphere has
lovely color of Brown and Cream with various highlights all
in an interesting design. A really nice sphere!
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Aragonite is a Carbonate mineral that can occur in conjunction
with Calcium Carbonates. Aragonite differs from Calcite in the formation
of the Crystal shapes which can be in lattice, crystal, columnar or
fibrous in many different designs, shapes and sizes. Aragonite will form
in mollusk shells, oceans and salt water caves as inorganic precipitates
called marine cements and speleotherms. Ammolite is a form of Aragonite
with impurities that make it iridescent and valuable as a gemstone.
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Aragonite Sphere
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$12.00 |
SP121c Here's a new item, an Orthoceras sphere in a
fossil marble matrix. This unique sphere has a very good well defined
Orthoceras as well as other fossils imbedded in the marble. It has a good
polish and measures 2 3/8". 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 |
SP125b
Here is an exceptional Dendritic Opal sphere. This beautiful sphere
measures 3 3/8" 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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