Tumble Polished Rock And Gems

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Cost

Item Description

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$20.00

PRS25b  Here is a beautiful Agate that has been heat treated. This highly polished specimen measures 2 3/4"  x  2" x 5/8". It has wonderful banding, neat accents and pretty colors that have been brought to life from the heat treatment. Something very nice for that someone special.

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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, Fairburn or other.

polished rock

Agate

$15.00

PRS26c  Here is something different from the gift department at the Rock Shed.  This is a very cool Poly Chrome Jasper Free Form with an excellent array of colors.  Highly polished on all sides, it measures 2 1/2" long x 2" x 1 3/4".  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.

polished rock
Poly Chrome Jasper

$16.00

PRS27c   Here is a beautiful piece of Labradorite from Madagascar. This lovely specimen is highly polished all around and measures 2 3/4" x 2" x 1" thick.  It has fantastic blue and gold color flashes as the light hits it.  It is a very nice hand sized specimen with lots of color and flash. Great gift!

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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.

polished stone Polished Labradorite

$10.00

PRS28b  Here is a pretty polished Amazonite specimen from Australia.  This interesting specimen is polished all around and measures 1 5/8" x 1 1/4" x just over 1" thick and has good design.  Close observation will reveal small fracture lines which is common for this material.

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Amazonite is a green variety of Feldspar.  The name is taken from that of the Amazon River, from which certain green stones were formerly obtained, but it is doubtful whether green Feldspar occurs in the Amazon area.  It is a mineral of limited occurrence but is often associated with smoky Quartz, Orthoclase and Albite in a coarse Granite or Pegmatite.  Because of its bright green color when polished, Amazonite is sometimes cut and used as a gemstone, although it is easily fractured.

polished stone Amazonite

$20.00

PRS29c  Here is a pretty polished Carnelian Agate specimen from Madagascar.  This lovely agate is polished all around and measures over 2 7/8" x 2 1/8" x 1 5/8" with a great design.   A great gift made from Madagascar rock.

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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 agate Carnelian Agate

$25.00

PRS20b  This is a very beautiful Tumble Polished Rose Quartz Stone from Brazil.  It measures 3 7/8" x 2 1/2" x 3/4" thick and has a nice polish, great color and fabulous inclusions.  It is a great size for a small paper weight or fidget stone.  Just pretty to look at and it would make a great gift.

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Rose Quartz is a type of Quartz which exhibits a pale pink to rose red hue.  The color is usually considered as due to trace amounts of Titanium, Iron or Manganese, in the massive material.  Some Rose Quartz contains microscopic Rutile needles which produce an asterism in transmitted light.

polished rock Rose Quartz

$22.00

PRS22b  This is a very beautiful tumble polished Chrysocolla Stone.  This exceptional stone measures 2 1/4" x 2" x 1".  This piece has a very nice aqua blue/green color and it would make a great paper weight or conversation piece.

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Chrysocolla is of secondary origin and forms in the oxidation zones of copper ore.  Some associated minerals are Quartz, Limonite, Azurite, and Malachite and Chrysocolla is often confused with Turquoise as they are similar in color.  It gets it's name from Greek chrysos "gold" and kolla "glue".  It is known among Native American cultures as a healing stone and said to promote calm and level headedness.

polished rock Chrysocolla

$14.00

PRS21b  This is a very beautiful Tumble Polished Prairie Agate Stone.  It measures 2 1/4  x almost 2 3/8" x nearly 1 3/4" thick and has a nice polish.  Very nice palm size stone. It is a great size for a small paper weight or fidget stone.  Just pretty to look at and it would make a great gift. This is a nice  quality Prairie Agate.  These agates get their name from where many have been found, out on the prairies of South Dakota.  This agate has been polished and shows nice Agate banding and design in the various shades of dark Yellow, Brown, Pink and Grey. A very unique 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, Fairburn or other.

polished

Prairie Agate

$20.00

PRS23b This is a lovely Girasol Opal Stone.  It measures 2" x 1 7/8" x  1 1/8" thick and has a nice polish.  This piece has a great polish and fits perfectly in your palm. It also has fabulous inclusions and a very cool transparent feature.

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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

 quartz

Girasol Opal

$16.00

PRS24b  This is a very beautiful Tumble Polished Ribbon Poly Chrome Jasper Stone.  It measures nearly 2 3/8" x 2" x 1 3/8" thick and has a nice polish.  Very nice, palm size stone. It is a great size for a paper weight or fidget stone.  Just pretty to look at and it would make a great gift.

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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.

polished rock

Ribbon Poly Chrome

$25.00

PRS30b  Here is a pretty polished Black Skin Agate specimen from Madagascar. This is a very nice agate, polished all around measuring 3" x 2 1/4" x  3/4" and with great pattern.   Great gift made from Madagascar rock.

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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.

black skin agate Black Skin Agate

$16.00

PRS31b  This is a great specimen of a Tumble Polished piece of Petrified Wood from Madagascar.  It measures nearly 3" x 2" x over 1" thick and has a nice polish.  It is a great size for a paper weight or fidget stone. Just pretty to look at and it would make a great gift.

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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.

polished stone

Petrified Wood

$50.00

PRS32c   This is a great specimen of a Tumble Polished Fluorite.  This exceptional stone measures 3 3/4" x 2 3/4" x 1 5/8" thick and has an excellent polish.  It has fabulous deep purple, green and aqua colors with great clarity, gorgeous inclusions and even some subtle "rainbow" reflections.  It is a great size for a paper weight or fidget stone.  Just very pretty to look at and it would make a great gift.

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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.

polished stone

Fluorite

$18.00

PRS33b  This is a great specimen of a Tumble Polished Black Skin Agate from Madagascar.  It measures 2 5/8 x 2" x 1 1/2" thick and has a nice polish.  Very nice, palm size stone. It is a great size for a small paper weight or fidget stone. Just pretty to look at and it would make a great 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.

polished rock

Black Skin Agate

$40.00

PRS34c Here is something new and different from the Rock Shed's gift department, an exceptional Sardonyx (heat treated) stone.  It has a unique shape, mesmerizing colors and design. This stone was tumbled here in our Lapidary Department but not polished giving it a cool natural look.  It measures  3 1/2" x 2 1/8" x 1 1/2". The pictures don't show the true beauty! 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.

polished rock

Sardonyx

$22.00

PRS35b This is a great specimen of a tumbled and polished rare Charoite stone from Russia. It measures 1 1/4" x 1" x 3/8" thick and has a nice polish. It has a pretty combination of swirling various purple colors all in an amazing design. Very nice, palm size stone. It is a great size for a small paper weight or fidget stone. Just pretty to look at and it would make a great gift.

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Charoite is newly found mineral, first discovered in the 1940s and described to the world in 1978. It is found only in Siberia, Russia and is a translucent lavender to purple color. Charoite has a swirling, fibrous appearance and is strictly massive in nature. It is used as an ornamental stone and sometimes as a gemstone. 

polished rock

Charoite

$20.00

PRS36b Here is something new and different from the Rock Shed's gift department, a very pretty Blue Chalcedony stone.  It has a unique shape with a soft powder Blue color. It has a good polish and measures 2 1/4" x 1 5/8" x 3/8". Grab this one quick!

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Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.
It 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.

polished rock

Blue Chalcedony

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