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Cost
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Item
Description
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Click Picture
for Larger Image
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$20.00 |
PR700b
Here is an excellent example of top quality Fluorite from
Madagascar. This brilliant specimen has a gorgeous deep Emerald
Green color loaded with very cool "cubed" shape crystal. It
measures 3" x 2 5/8" x 2 1/8" and has not been polished. Just
plain wonderful!!
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Fluorite, also referred to as fluor-spar, is a mineral composed
of Calcium Fluoride. It is a widely occurring mineral found world wide and
is often found with metallic minerals such as Galena, Sphalerite, Barite,
Quartz and Calcite. Fluorite may fluoresce strongly in ultraviolet light
which may be due to the presence of some impurities such as Yttrium. Blue
is the most common color but red, purple, green, yellow and white are also
frequent. It can be used in high performance telescopes, camera lens,
enamels and in the making of opalescent glass.
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Fluorite
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$50.00 |
PR701b
This is a very pretty, above average quality, multi-colored
Brazilian Agate. This cool specimen measures 3 1/8" x 2 5/8" x 1
3/4" and has a nice polish on one side.
It has a great design, various beautiful Tan, Grey and Reddish Brown colors
and a nice cavity that goes all the way through.
It makes for a very interesting
display piece or would make a nice gift.
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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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Brazilian Agate
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$125.00 |
PR702b Here
is a fabulous Petrified Wood Free Form
from Madagascar.
It has an awesome array of colors ranging from reds to tan and gray in a
wonderful design from any any angle or direction.. It measures
almost 4 1/2" at the widest x nearly 3 7/8" x 5 3/4" tall and has been
nicely polished on all sides except the bottom. Close inspection
shows some healed fractures, common for this material. A very
beautiful addition to any rock collection.
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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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Petrified Wood Free Form
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$28.00 |
PR703b
This is an exceptional specimen of a
Nebraska Chalcedony or often called
Nebraska Blue Agate from western Nebraska. It has nice dark grey to black Earth Tone colors
with blue hidden highlights and a neat natural texture on the unpolished surfaces. It
exhibits a bright Green under SW/UV light and a dark green under a LW/UV
(as seen in last photo). The
pretty agate measures 6" x 3 1/4" x 2 5/8" thick and has a
smooth highly polished face. Nebraska Blue Agates are no longer
available from where they were originally found. This wonderful
example was cut and polished in our own lapidary department. This
beautiful Blue Agate is unique and would enhance any table or desk top and
would be a cool gift!
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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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Nebraska Blue Agate
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$75.00 |
PR704c
Here is something rare and different for the polished rock collector.
This is a very nice, above average quality Dry Head Agate from Montana. This Agate
has a very nice agate design and beautiful blend of Earth tone colors. The
beautiful Dry Head Agate has gorgeous tight banding on different sides.
It measures 3 1/8" x almost 3 1/8" x 2 3/4" thick with a nice polish on
all sides. Definitely a keeper.
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Dry Head Agates are
from the Bighorn Canyon area of Montana. The banding colors are usually
bright orange with some white or pink bands on charcoal, light gray,
whitish oranges or greenish matrix. Dry Head Agates are very rare and no longer
available as the mining area is now part of a wild horse refuge. Dry Head Agates may be geologically similar to the Teepee Canyon and Fairburn
Agates of the Black Hills area.
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Dry Head Agate
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$55.00 |
PR705b This is an
amazing Carnelian Free Form from Madagascar with lots of character unique
to this material. This very cool item has darker background colors
with Creamy accents and has an excellent design on each side of it.
Look at all the different views as each has character all it's own.
Close inspection shows some healed fractures, common for Carnelian.
This beautiful Free Form measures 5 1/4" x 3" x nearly 2 1/8" and
weighs over 1 3/4 pounds. A great addition to any collection or a super nice
gift.
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Carnelian is a red or reddish-brown variant of Chalcedony but also may
come in the colors of orange and pink. It is quite common and usually
found in translucent pebble form. It is found in several areas of Europe,
Iceland and Madagascar. |
Carnelian
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$22.00 |
PR706b Here is a very
nice, unique Pakistani Onyx hand crafted bowl. It measures 6" in diameter
and 1 1/2" approximately deep with a nice polish on all sides of the bowl. Each
bowl is different and has its own beautiful design and color scheme.
Although the photo shows 3 bowls, you will received one (1) of our choice
as it comes from the box.
Similar to like item.
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 of Onyx is found in Mexico and Pakistan. It is often carved, polished
and sold in a variety of different things.
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Pakistani Onyx Bowl
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$25.00 |
PR707c Here
is something different from the gift shop at the Rock Shed. This is
a very nice, excellent quality Mexican Coconut Geode half. The
inside reveals nice sparkly faint light purple tinted Quartz Crystals in the
middle of the very pretty center cavity. The face where the
geode was cut open is highly polished. It measures 3 3/4" x 3
3/8" x 2 1/8" thick with a natural, rough texture on the outside.
Very beautiful indeed. Another photo
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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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Mexican Coconut Geode
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$135.00 |
PR708b Here
is something very special for a polished rock collector. This is a gorgeous Labradorite
Dish. This lovely dish has a good color mix with a highly
iridescent "blue gold" shine that changes as the light hits it from
different angles. It measures 6 7/8" x 5 5/8" x 1 5/8",
weighs nearly 4 pounds with a very
good polish on all sides. An exceptional item
that cannot be duplicated!
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Labradorite is a Feldspar mineral that occurs in large Crystal masses
in Anorthosite and shows an iridescence or "play of colors." Gemstone
varieties of Labradorite exhibiting a high degree of iridescence are Spectrolite,
Moonstone and Sunstone. High quality samples with good iridescent qualities
are desired for jewelry.
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Labradorite Dish
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$75.00 |
PR709b
Here is an exceptional multi-colored Mexican Lace Agate from an unknown
location in Mexico. This beauty has a unique design and appearance in the
different colors in the excellent lace banding ranging from white and
cream to various grays with different red and orange accents in the
banding. It measures 8 1/4" wide x 5 7/8" tall x 4 3/4" thick, weighs
nearly 8 3/4 pounds and has a nice shine and polish on the cut face. This
is another fabulous creation from our very own Lapidary Department.
A great item to add to your polished rock collection. Another
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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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Mexican Lace
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$165.00 |
PR710c This is
something different for the polished rock collector. Here is an
exceptional large polished slab mounted on a stand cut from a specimen of
Brazilian Agate. It measures approximately 8 5/8" wide x 11 3/4" tall
(12 7/8" with stand) x 2 5/8" thick weighs nearly 13 pounds and is
polished on one side. This beautiful piece has a crystal cavities,
amazing banding with a great Agate design throughout. It's actually
much darker than appears in the photo. Just gorgeous!
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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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Brazilian Agate
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$110.00 |
PR711c Here is
something different from the gift department at the Rock Shed. This
is a larger, very lovely free form display cut from a large Madagascar
Agate. It measures almost 3 5/8" x nearly 4 3/8" wide x
6" tall and has a good polish on the face. The gorgeous piece has
awesome colorful banding agate designs on two sides and is incredibly
beautiful. A perfect gift for that perfect person.
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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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Madagascar Agate
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$90.00
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PR712b
Here is an amazing item! This is a very beautiful, above average
quality, Smokey Quartz Crystal. The larger Crystal has good clarity
throughout with sparkly inclusions. The lovely Crystal has very nice facets and a good
polish. The awesome Smokey Quartz crystal measures nearly 5"
laying down x almost 3 1/8" x 2 3/8". Quartz crystals usually don't photograph
well and this very nice example is no exception. A cool gift or just
keep it for yourself.
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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
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$25.00 |
PR713c Here's a unique
treasure! This is a lovely high quality Amethyst Free Form from India.
This fantastic piece has gorgeous Purple Amethyst in a neat shape. It has
great clarity, fabulous inclusions, subtle "rainbow" reflections,
rare Agate banding and window. It measures
approximately 2 1/2" x 1 1/2" x 3 1/8" tall. Grab this beauty quick!
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Amethyst is a purple variety of Quartz often used as an ornament.
It occurs in color from a light, slightly pinkish violet to a deep grape
purple. Upon exposure to heat, Amethyst generally becomes yellow, which some refer
to as Citrine or "burnt" Amethyst. It is widely distributed
as a mineral, but fine, clear specimens that are suitable for cutting as
ornamental stones.
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Amethyst Free Form
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$40.00 |
PR715b This is a
unique Vase made from Chinese Marble. This multi-colored
vase has a nice blend of Burnt Sienna, Cream, Green, Grey and dark
Green with a nicely polished finish except for the bottom. It measures
nearly
6 3/4" tall x 3/8" in diameter and
weighs over 2 1/4 pounds. A
very nice addition to any polished collection or it would make a great
gift.
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Peacock Marble is from Southwest China and formed in Limestone by
heat and pressure in the earth's crust. Recrystallization during Himalaya
formation caused the limestone to change in texture and makeup. Fossilized
materials along with it's original carbonate minerals, recrystallized and
formed large, coarse grains of calcite. Impurities present in the
limestone during the recrystallization affected the mineral composition of
the marble. The minerals that result from the impurities give the
marble up to ten different colors. The corresponding colors and minerals
that can be found: Green - Serpentine; Purple - Manganese spar; Brown -
Iron; Gray - Silicon Dioxide; Red - Hematite; Orange - Iron; White -
Calcite; Violet - Iron Manganese; Yellow - Limonite; Blue - Copper,
Cobalt, Chromium; Black - Carbon, Iron, Manganese. Peacock Marble is also
called "seven color Jade" in local language.
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Marble Vase
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$85.00
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PR716b
Here is a different and amazing item! This is a very beautiful
Anhydrite standup. The lovely standup has an awesome
array of fabulous purple and pink colors in a mesmerizing design with a good polish,
tons of sparkling flash and "rainbow" reflections. The awesome specimen measures
3 1/4" x 2 1/8" wide x 4 1/4" tall. A perfect gift for that perfect person.
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A member of the evaporite group of minerals and the soft rock
comprising anhydrite formed by precipitation of calcium sulfate from
evaporation of seawater. Anhydrite can also form through the dehydration
of gypsum, another sulfate mineral found in evaporites. Anhydrite may
occur as a cap rock above salt domes.
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Anhydrite Stand Up
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$60.00
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PR718c
Here's something we haven't seen before, a gorgeous Flower Agate
Flame from Madagascar. It
measures 3" x 2 3/4" x 4 5/8" tall. It has all
the features of an Agate in the pastel grey background with neat banding
and orange highlights with the added surprise of "flowers" bursting
throughout. This is truly a treasure so grab it quick! Another photo
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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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Flower Agate Flame
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