Cactus Quartz gets it's name from its appearance: a central quartz point covered with a “cactus-like” layer of small second-generation crystals.

A common calcium carbonate mineral, containing manganese and carbon making it blue.

Calcite Onyx is just calcite with varying bands of different impurities. Onyx, and Calcite are different minerals, Calcite Onyx is a variety of Calcite.

Calcite with interesting and unique optical properties.

A common calcium carbonate mineral, containing iron oxide making it orange.

The most stable form of calcium carbonate, this one is a very rare double terminated crystal.

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A Tin Oxide mineral, that is an ore for Tin metal.

Cavansite is a distinctive blue mineral that forms crystal aggregates, generally in the form of balls.

The mineral is named for its occasional delicate blue color. Celestine and the carbonate mineral strontianite are the principal sources of the element strontium, commonly used in fireworks and in various metal alloys

A rare, semi-precious gemstone with a sky-blue to pale blue color.

Cerussite is a lead carbonate mineral that's an important source of lead metal.

A water soluble copper mineral. This mineral is toxic.

Chalcophanite is a secondary manganese mineral formed through supergene (near surface) alteration of zinc- and manganese-bearing base-metal deposits.

A copper sulfate often confused with pyrite and gold since all three of these minerals have a yellowish color and a metallic luster.

A copper sulfate often confused with pyrite and gold since all three of these minerals have a yellowish color and a metallic luster.

Charoite is one of the more distinctive lapidary stones out there. It’s a rare purple silicate mineral, usually seen as swirling, fibrous masses ranging from lavender through deep violet, often with white, black, gray, or tan inclusions.

A green gemstone mined in the extremes of Siberia.

Chrysocolla has a cyan (blue-green) color and is a minor ore of copper.

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Mercury ore, the silvery metal is extracted through distillation - this mineral is toxic.

Clinozoisite is a complex calcium aluminum sorosilicate mineral.

A dark to pale brown uranium ore. This mineral is radioactive.

A piece of raw, natural copper.

Coquina Jasper is really Cacoxenite included quartz.

Rubies, with their unparalleled beauty and rich history, continue to captivate collectors, jewelers, and enthusiasts worldwide.

Corundum is a crystalline form of aluminum oxide, and depending on the color, are sapphires, or rubies

A fibrous stone also known as Blue Asbestos is the most dangerous form of asbestos.

A toxic lead chromate that used to be used on school buses.

Cuprosklodowskite is a secondary uranium mineral formed by alteration of earlier uranium minerals.