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Cost
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Item
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$60.00 |
PR101c Here is a very beautiful
thick Arizona Petrified Wood slab.
It measures over 7 3/4" x 7 1/4" x
over 1 3/4" and
weighs over 6 pounds. This specimen has a nice polish on the face and
a rough natural exterior on the back and sides.
This Petrified Wood has rich red, brown, black and tan
colors with an unique design. As you can see from the photo there are some
fractures but it does not affect the stability of this piece. This awesome example was cut and polished in
our own Lapidary section.
A truly beautiful piece of polished Wood.
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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 give 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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Arizona Petrified Wood
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$135.00 |
PR100b
This is something different for the polished rock collector.
Here is a very nice large polished slab cut from a specimen of Brazilian Agate.
It measures 11 1/4" x nearly 6" x 2 1/4" thick and is polished on one side.
This beautiful piece has a tiny crystal cavity with a great Agate design throughout.
Just gorgeous! Another photo
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Agates mostly occur as nodules in volcanic rocks or waters containing
Silica in solution which is 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. It is very unlikely that you would
ever find an exact duplicate of any type of Agate, Brazilian or other.
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Brazilian Agate
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$50.00 |
PR105b Here is
a new and different item. This is a polished rock pen made from Black
Hills Granite. This cool pen has good color and a nice design in the
rock and a brass color for the metal pen parts. It measures approximately
5 1/8" long x 5/8"
in diameter including the metal clip. The pen is handcrafted in
Wyoming. Definitely a one-of-a-kind treasure or makes a
great gift!
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Granite is a common and widely occurring type of intrusive igneous
rock. Granites are usually medium to coarse grained, occasionally with
some individual Crystals. It can be pink to dark gray or even black
depending on the chemistry and mineralogy. It is a hard and tough
substance is used mostly in construction and landscaping.
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Black Hills Granite Pen
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$50.00 |
PR112b
Here is a very nice, above average quality Ocean Jasper
Free Form. It measures 3 1/4" x 2 1/2" x 1 1/4" and has a good polish
on all sides. This specimen has a Green base with cool Agate eyes and
a small sparkly Crystal cavity. Very nice!
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Click
here to view more beautiful Tumble Polished Rocks
The Ocean Jasper deposit, even though it was found only a few years
ago, is nearly gone and the material is becoming hard to find. The deposit
formed as a Rhyolite flow but has been completely silicified. The Rhyolitic
eyes or orbs come in an astonishing array of colors and color combinations.
The back ground can be white, pink, green, red, or yellow. Botryoidal formations
as well as white and deep green druzy are also common. This deposit was discovered
at the edge of the ocean. It can only be seen and collected at low tide. The
area has no road so the material must be transported to civilization by boat.
Several other types of jasper are found there now but the orbicular Jasper
is gone. |
Ocean Jasper Free Form
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$125.00 |
PR106c
This is a
very pretty, above average quality Brazilian Agate slab. It has been cut
and polished on both sides to show the awesome inside design. The agate
stand measures nearly 10 1/2" total, (the stand itself measuring 1"x
6 5/8")
x 6 3/4" x 1/2" thick. It makes
for a very interesting display piece or would make an excellent gift.
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Agates mostly occur as nodules in volcanic rocks or waters containing
Silica in solution which is 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. It is very unlikely that you would
ever find an exact duplicate of any type of Agate, Brazilian or other.
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Brazilian Agate Slab with stand
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$85.00 |
PR111c
Here
is something different from the gift department at the Rock Shed. This is
a very cool Poly Chrome Jasper Free Form. Highly polished on all
sides, it has amazing color, ranging from cream to orange to various
greens in a excellent Poly Chrome design. This piece measures over 5 1/2"
tall x nearly 3 3/4" x over 3 3/4". It would make a great addition to any
rock collection or a beautiful decoration item in your home. Another photo
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Jasper, also known as spotted stone, is an opaque, impure variety of
Quartz that is usually red, yellow or brown in color. The mineral breaks
with a smooth surface and is used for ornamentation or as a gemstone. It
can be highly polished and is used for vases, seals, and other decorative
items. |
Poly Chrome Jasper
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$75.00 |
PR108b This is
a above average quality Rose Quartz Free Form from Brazil.
It measures 4" tall x 3 3/8" x 2 1/4". This gorgeous Rose Quartz has
a nice deep rose color with lots of character. A very nice piece indeed!
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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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Rose Quartz Free Form
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$40.00 |
PR102c This is a very
nice Black Skin Agate specimen from Madagascar. It was cut and
highly polished on the face to show the inner beauty. The specimen
shows a beautiful black, white and gray colors accented with browns on the
outside in the unique Black Skin Agate design. The agate design is
also very visible with excellent banding on the unpolished backside. It measures
6" x
over 2 1/4" x nearly 1 5/8". Very beautiful!
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Agates mostly occur as nodules in volcanic rocks or waters containing
Silica in solution which is 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. It is very unlikely that you would
ever find an exact duplicate of any type of Agate, Brazilian or other. |
Black Skin Agate
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$45.00 |
PR103c Here is a
really great find!! This is a nice, above average quality Dugway
Geode from Utah. It measures nearly 5 1/2" x 4 3/8" x
2 7/8" and has a nice polish on the front face. The inside of the cavity is lined with fine druzy
Quartz Crystals with a light Blue to Lavender color. The inside shows up a bright
green under long wave UV light.
Very nice.
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Click
here to buy Ultraviolet Lamps
Geodes are geological rock formations which occur in sedimentary and
certain volcanic rocks. They are essentially rock cavities or vugs with
internal Crystal formations or concentric banding. The exterior is generally
Limestone while the interior contains Quartz Crystals and/or Chalcedony deposits.
If the Geode is completely filled with Crystal, being solid all the way through,
it is then called a nodule.
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Dugway Geode
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$150.00 |
PR107B
Here is a great addition to your office or
home. This is a nice large Smoky Quartz Crystal with a polished tip
while the sides are natural. It
measures nearly 9 1/2" tall x 3 1/2" x almost 3 3/4", weighs over
8 1/2 pounds and has some phantom lines which are growth lines where the
crystal at one point stopped growing and then started again. The
polish on the tip is not perfect but it still displays very well. Something very
different for the collector or the gift giver.
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Rhyolite is an igneous, volcanic rock that is composed of Felsic, or
Silicate minerals such as Silica, Aluminum, Sodium and Potassium. The
material is similar to that of Granite, Pumice and Obsidian but due to the
cooling process when formed, Rhyolite did not form any crystals, thus
changing the texture of the material. This material, also called Volcanic
Tuft and Rainbow Rock actually began as volcanic ash spewed from the mouth
of a volcano millions of years ago. This ash was exposed to heat and
pressure that resulted in turning it to stone. The bright banded colors
are a result of exposure to high concentrations of iron oxides. |
Smoky Quartz Crystal
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$110.00 |
PR110b This is a beautiful,
above average quality specimen of polished Malachite from Zaire, Africa. The
overall size of specimen is 4 3/8" x 3 3/4" x 2 1/2". The Malachite is polished
on all sides except a small portion on the bottom and has a super shaded Green color with a very nice design.
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Malachite is a Copper Carbonate mineral that often forms botryoidal,
fibrous or stalagmitic masses. It is often the result of the weathering
of Copper Ores and is commonly found with Azurite, Goethite and Calcite.
It is typically associated with Copper deposits including Limestone which
is the source of the Carbonate. Malachite is found in many regions world
wide and is usually shaded green in color.
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Malachite
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$70.00 |
PR113b This is a very pretty larger Amethyst
Cactus Quartz Crystal with a unique shape. This piece measures nearly
3 7/8" tall x almost 4 1/4" x over 3 1/2" and has not been polished.
This naturally sparkly specimen is
from the Magaliesberg Mountains west of Pretoria, South Africa. A
true beauty of nature!
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These Cactus Quartz Crystals are often slender Crystal cores with Amethyst
tips and are coated with orange Hematite stained mini Crystals giving the
bristly, cactus appearance. Sometimes they may have a druzy veil in
lavender or yellow or white. Each in unique in their own right and can
not be duplicated.
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Cactus Quartz Crystal
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$135.00 |
PR115b This is
a very cool Poly Chrome Jasper Free Form. Highly polished on all
sides, it has amazing color, ranging from various pretty greens to orange
and brown to pinks to more of cream on the other side; all in a excellent
Poly Chrome design. This gorgeous larger piece measures 8 1/4" tall x 6"
wide x over 2 3/8" thick. It would make a great addition to any rock
collection or a beautiful decoration item in your home.
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Jasper, also known as spotted stone, is an opaque, impure variety of
Quartz that is usually red, yellow or brown in color. The mineral breaks
with a smooth surface and is used for ornamentation or as a gemstone. It
can be highly polished and is used for vases, seals, and other decorative
items.
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Polychrome Jasper
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$100.00 |
PR104b
Here is an amazing Amethyst
geode. This piece measures 7 3/8" by 3 1/4" by 3 3/4" with a polished face.
This piece is a real beauty! Another photo
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Amethyst is a purple variety of Quartz often used as an ornament.
Upon exposure to heat, Amethyst generally becomes yellow, which some refer
to as Citrine or "burnt" Amethyst. It occurs in color from a light,
slightly pinkish violet to a deep grape purple. It is widely distributed
as a mineral, but fine, clear specimens that are suitable for cutting as
ornamental stones. |
Amethyst Geode
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$40.00 |
PR109c
This is a very nice, above average quality multi-colored Marble
Candy Jar with lid from China. It measures over3" tall
including the lid x 5" in diameter and is highly polished
all around except for the bottom. It makes for a very interesting display
piece or would make a nice gift.
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Marble is a metamorphic rock consisting of Limestone but mostly composed
of Calcite. It is used extensively for sculpture, building materials
and has many decorative uses. The pure white Marble is probably the
most common form known, but the characteristic swirls and veins of many colored
Marble varieties are usually due to various mineral impurities such as Clay,
Silt, Sand, Iron Oxides or Chert.
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Marble Candy Jar
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