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.

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.

A rare earth oxide mineral, also containing uranium. This mineral is radioactive.

A rare earth oxide mineral, also containing uranium. This mineral is radioactive.

A uranium bearing, rare hydrous silicate mineral found in metamorphic rocks.

Chrysoprase is a green variety of chalcedony. Its green color comes from nickel silicate inclusions (commonly willemseite or related Ni minerals), not from chromium or vanadium like in emerald.

Dioptase is an intense emerald-green to bluish-green mineral that is cyclosilicate of copper.

Dolomite is widely known for its distinct crystal habit, chemical properties, and geological importance.

Elbaite is a mineral in the tourmaline family that is known for its high-quality gemstones.

A green to yellow green mineral that comes in many forms.

Fluorapatite is a calcium phosphate mineral and the most common member of the apatite group. It is widespread in igneous, metamorphic, and sedimentary environments and is also the primary natural mineral in human teeth and bones.

A Calcium Fluoride mineral that comes in many shapes and colors, unfortunately it's quite soft for gemstone use.

A chromium-rich, emerald green variety of the mineral muscovite.

Lead ore - this mineral is toxic.

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A common mineral that is very hard, and used in everything from jewelry to abrasives.

A nickel bearing arsenic sulfide mineral.

Gibbsite is a mineral that is a key component of bauxite, the primary ore of aluminum.

Goethite is an iron oxyhydroxide well known since ancient times for its use as a pigment.

A highly sought after variety of gem garnet

A specimen of two Uranium bearing minerals, one yellow, and one green.

Gypsum Rose or Desert Rose are rosette-shaped clusters of gypsum.

Dirty Diamond is a common name for selenite gypsum crystals found in Utah, especially in the Great Salt Lake.

Hematite is a common iron oxide mineral that's found in rocks and soils, and is a primary component of iron ore.

Hematite is a common iron oxide mineral that's found in rocks and soils, and is a primary component of iron ore.

Indigo Gabbro is a coarse-grained plutonic igneous rock composed mainly of plagioclase feldspar and pyroxene, with accessory olivine, amphiboles, and oxides. It shows a mottled black, gray, and indigo-purple appearance, with hardness around 6–7 Mohs, white streak, and SG ~3. It is found primarily in Madagascar for the gem market and used in lapidary and decorative work.

An iron sulfide mineral commonly referred to as fools gold.

An iron sulfide mineral commonly referred to as fools gold.

An iron sulfide mineral commonly referred to as fools gold.

An iron sulfide mineral commonly referred to as fools gold.

An iron sulfide mineral commonly referred to as fools gold.

Red, to a Red Orange quartz named after pilgrims traveling to Santiago de Compostela.

One of 4 currently known yttrium-uranium(uranyl) minerals of the natural salts class.

An uncommon lead uranyl silicate monohydrate mineral.

Kyanite is a typically blue aluminosilicate mineral, found in aluminium-rich metamorphic pegmatites and sedimentary rock.