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Cost
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Item
Description
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$200.00 |
PR101b Here is a very
large, very beautiful Arizona Petrified Wood end cut.
It measures over 11" x 9 5/8" x 3 3 5/8" and
weighs nearly 18 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 Grey, Red, Brown and other colors mixed in
with an unique design. 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 |
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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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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$8.00 |
PR106c
Here is something different
for the Crystal collector. This is a very nice, above average quality
Amethyst and Citrine Crystal point set. The Crystals measure approximately
2" to 2 1/2" and are not polished. The Crystal points have very nice
tips and facets. The picture is a representation of what the Crystals
will look like. You will receive one (1) Amethyst and one (1) Citrine
Crystal of our choice. 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 an ornamental stone, but fine, clear specimens
that are suitable for cutting are used in jewelry.
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Amethyst-Citrine Point Duo
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$125.00 |
PR111b
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
grays in a excellent Poly Chrome design. This piece measures nearly 8"
tall x over 4" x nearly 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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$30.00 |
PR102c This is a very
nice Dryhead Agate from Montana. It measures 4" x
nearly 3 3/4" x over 1" and is polished on the front face. This
Agate has a nice, natural interior which exhibits a beautiful center with
deep red colors and an interesting Agate design. These Agates are rare and
no longer available. It has been cut and
polished in the Rock Shed's own Lapidary department. Very beautiful!
Another photo
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. |
Dryhead Agate
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$12.00 |
PR103c Here is a
really great find!! This is a nice, above average quality Dugway Geode
from Utah. It measures nearly 2 3/4" x almost 2 1/2" x
over 1 1/2" and has
a nice polish on the front face. The inside of the cavity is lined with fine druzy Quartz Crystals with a hint of Lavender color.
Nice.
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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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$32.00 |
PR105b Here is
a beautiful and high quality piece of multi-colored Calcite. This piece
has a stunning array of tinted green and orange colors separated by darker
bands. It measures 5 1/4" x 5 1/8"
x 4 1/4". This specimen is of good size and has a very sparkly
appearance. Definitely a one-of-a- kind treasure.
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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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Calcite
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$22.00 |
PR113c This is a very pretty Lavender Amethyst
Cactus Quartz Crystal with a unique shape. The Crystal measures over
2 1/4" x
nearly 2" x 1 5/8" 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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$18.00 |
PR107b
Here is a great addition to your office or
home. This is a Arizona Sandstone Free Form Stand-Up. It
measures 5 7/8" high x over 4 1/8" x 3 3/8" and has a rough, natural texture. This piece
is not polished. Something very different for the collector or the gift
giver.
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Sandstone is a sedimentary rock composed mainly of sand size mineral
or rock grains. Most Sandstone is composed of Quartz and/or Feldspar
because these are the most common minerals in the earth's crust. It
can be almost any color. The Sandstone beds often form highly visible
cliffs and are strongly identified with certain regions of the world. |
Sandstone Stand Up
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$135.00 |
PR110c This is a beautiful,
above average quality specimen of polished Malachite from Zaire, Africa. The
overall size of specimen is 8 1/8" x 2 7/8" x 1 3/4". The Malachite is polished
on all sides except 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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$85.00 |
PR115b This is a very nice
and very large fossilized Coral specimen from Indonesia. This
very remarkable and interesting fossil shows great detail. This
unique specimen measures approximately 10 1/4" x over 9 1/2" x nearly 5"
thick and weighs nearly 14 lbs. A must have for the fossil collector
or an excellent gift for someone!
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Fossil Coral
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$18.00 |
PR104b
Here is a set of 4 very beautiful,
larger Brazilian Agate slabs in natural of Browns, Grays and Whites and color-enhanced
colors including Blue, Green, Teal, Pink and shaded and/or striped varieties
of these colors. These 1/8 - 1/4" thick slabs come in various sizes
from approximately 2" to 6" and are polished on both sides. These will
be sold in sets of 4 slabs as they come from the box. The photo is a
small representative of the colors and patterns on hand. |
Brazilian Agate Slab Set
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$26.00 |
PR109b
This is a very nice, above average quality multi-colored Marble
Candy Jar with lid from China. These are also often called an Apple
Box because of the shape. It measures approximately 4 3/8" tall x 4
1/8" 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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