Clearance And Overstock Items

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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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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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Serpentine is a group of common rock forming hydrous Magnesium Iron Silicate minerals.  It can contain minor amounts of Chromium, Manganese, Cobalt or Nickel.  Serpentine may refer to over 20 different varieties that belong to the Serpentine group and the most common are Antigorite, Chrysotile and Lizardite.  The color is often green and may have a mottled or scaly appearance.

Salt Crystals are naturally occurring rocks that have been formed by nature millions of years ago and mined deep underground from some of the tallest mountains, the Himalayas.  This specific type of Salt is hand crafted and carved to make lamps, light and designs ranging in several colors such as white, pink, peach, beige and orange.

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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.

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.

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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Pyrite, or Iron Pyrite, is an Iron sulfide with isometric Crystals that usually appear as cubes. It is brittle and can break or powder easily. Its metallic luster and brass yellow hue have earned it the nickname of "fool's gold" due to many miners mistaken it for the real thing. Ironically, small quantities of actual gold are sometimes found in Pyrite. It is the most common of the sulfide minerals and is usually found with other sulfides or oxides in Quartz veins, sedimentary or metamorphic rocks.