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Indigo gabbro is a color variant of the igneous mineral, gabbro. Typically, this color forms black, but occasionally gabbro comes in oranges and gr...

Glacierite, also known as Blue Ice Glacierite or Blue Ice Nakaurite, is a rare, newly discovered mineral from Indonesia that is an accidental bypro...

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

Eudialyte is a complex silicate mineral that most commonly forms in granular patterns. It is usually found within coarse grained rocks and contains...

Sugilite is a rare cyclosilicate that occurs in a range of vivid colors including deep purple, red to violet, magenta to purple, pink and pale lila...

Sieber agate is not a true agate but rather a glassy, dark blue-grey or green copper slag that formed during ancient copper smelting in Germany, sp...

Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet sil...

Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet sil...

Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet sil...

Verdite is a light to dark-green metamorphic rock, and is a variety of Fuchsite, which is itself a form of Muscovite. It appears green because of t...

YooperLIKE is a Syenite rock that is rich with fluorescent Sodalite. While fairly nondescript under normal lighting conditions, YooperLIKE explodes...

Each strand of Kashgar Garnet/Agate contains flashes of burgundy and forest green, sometimes within the same bead! Swirls of black and white criss-...

Green Garnet can be among the most valuable of garnets, which come in a variety of colors. Occurring in sizes ranging from a grain of sand to the s...

Trolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals. It is made up of qu...