Petrified Wood, Geodes, Crystals, Agates and Carvings

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Item Description

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$85.00 PR303c  Here is something new for the polished rock, mineral or carving collector.  This is a Bird's Eye Rhyolite carved Buffalo from Northern Mexico.  This is a fairly new material that we found this year.  The bear measures 6 1/4" x 4 1/4" x 1 1/2" and has a nice polished.  This material is fairly light weight and has a pink-beige color with many bird type-eyes throughout the material.  A very different addition to your collection or a great gift for the person that has everything.

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.

buffalo

Bird's Eye Rhyolite Buffalo

$15.00 PR309c  This is something different for the polished rock collector.  Here is a larger, polished Slab from a specimen of Brazilian Agate.  It measures 4 1/2" x 2 1/2" x 7/8" and is polished on one side.  This piece has a nice unique shape and really great design. 

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.

braziliain agate slab

Brazilian Agate Slab

$20.00 PR308b   This is a very nice Picture Sandstone slab from Arizona.  It measures 3 3/4" x 5 1/4" x 3/8" and has a smooth, unpolished finish.  These slabs are very unique in shape and size but would enhance any table or desk top.  It comes complete with a plastic display stand.

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 slab

Picture Sandstone Slab

$10.00 PR311b  Here is something different from the Rock Shed's gift department.  These are faceted "Crystal" Gemstones in various colors.  The approximate average size of each Glass stone is 1 1/2" or 40 mm in diameter.  There is a wide array of colors including Red, Blue, Orange, Yellow, Pink, Clear, Turquoise, Green and Lavender.

You will receive three (3) of the items pictures at our choosing.  Unfortunately, there is NO choice in color.

Something very nice for that someone special.

"crystal" gemstones

"Crystal" Gemstones

$25.00 PR310b   Here is something different for the rock collector.  This is a very unique Rhyolite Stand Up Freeform Sculpture.  This beauty measures 9" x 6" x 3" and has a natural unpolished finish.  It would make a great gift or a super centerpiece for your desk or table.

Another photo.

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.

rhyolite freeform

Rhyolite Freeform

$48.00 PR301b  Here is a very large, very beautiful Crystal Quartz Point.  This specimen measures 4 3/4" x 3" x 4" and has a smooth, natural finish with a hint of a Smoky Grey color.  This crystal has 6 facets and the upper portion is almost completely clear.  Close observations will reveal one larger "self healed" fracture and a small chipped area near the top that has been polished.  Neither of these natural flaws distract from the appearance or beauty of the Crystal. 

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.

crystal

Quartz Crystal

$250.00 3PR5b  This is a LARGER and quite pretty piece of Picasso Marble carved into a buffalo.  It measures 11 1/2" x 8" x 1 1/2".  It is a very pretty buffalo fetish with lots of veining in the Marble in various tones of Black and Brown. It is nice quality, with a good polish.  This is an impressive piece which would make a great addition to any collection. This material is from Utah.

Marble is a metamorphic rock consisting of Limestone but composed mostly 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.

picasso buffalo

Picasso Buffalo

$150.00 PR307b  Here is a one of a kind addition to any mineral or polished rock collection.  This is an extra large, extra nice Dugway Geode from Utah.  This Geode has been base cut and felted to set upright.  It has a very large Crystal cavity that measures 4" x 3" and 2 1/4" deep. The inside of the cavity is lined with fine Quartz Crystals with several clear Calcite inclusions.  It has been polished on the cut side which show a beautiful design and great color.

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.

geode

Dugway Geode

$45.00 PR305b  This is a Rose Quartz tetrahedron from Brazil.  This neat creation measures 1 7/8" in all directions and has been polished on all sides.  This different carving would make a nice gift, paper weight or use it to dress up your mineral, gemstone or polished collection.

Rose Quartz is a member of the Quartz family that exhibits a pale Pink to Rose Red hue.  The color is usually due to the trace amounts of Titanium, Iron or Manganese in the mass material.  Some Rose Quartz contains microscopic Rutile needles which produce an asterism in transmitted light.  An all time favorite at the Rock Shop.

polished specimen

Rose Quartz Tetrahedron

$50.00 PR300c   Here is something different from the Rock Shed's gift department.  This is a larger, hand crafted Pakistani Onyx Chess Set.  The Black and Sandstone colored board measures 13 1/2" square with a nice Black and Beige color mix.  The set comes with matching Chess pieces in coordinating colors.  Each Chessman is hand carved.  Close observation on the board will reveal some minor fractures in the Black Onyx squares which is quite common for this type of material and it does not distract from the overall appearance.  This would make a super gift for Father's Day.

Chess Board.

Beige Men.

Black Men.

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.

chess set

Onyx Chess Set

$28.50 PR306b   Here is a very beautiful Crystal Quartz cluster.  It measures 5 3/4" x 2 3/4" x 2" and has a natural luster and shine.  This cluster has several completely full crystals and numerous smaller, sparkly crystals at the base.  The largest crystal has a nice diamond-shaped "window" facet.  A beauty to behold.

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.

crystal

Quartz Crystal

$12.00 PR302b  This is a very nice Onyx Soap Dish from Pakistan.  It measures 3 1/4" x 4 1/2" x 1 1/4" and has been polished on all sides.  The dish has an unique pattern and color scheme.  The photo displays 2 different dishes, but when you order, you will receive one (1) dish that will be randomly selected strait from the box.  The dish will be similar to the dishes in the photo.

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.

soap dish

Onyx Soap Dish

$14.00 PR304c  This is an interesting Freeform made from Picasso Marble.  This material is from Utah.  It measures 2 3/4" x 3 1/4" x 1 1/8" and is nicely polished.  This specimen has a nice blend of Browns and Blacks which really enhances the appearance.

Marble is a metamorphic rock consisting of Limestone but composed mostly 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.

free form

Picasso Marble Free Form

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Keystone, SD  57751

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 Information:  605-666-4813
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