Properties & Information

Vanadinite

Vanadinite

VanadiniteSCIENCE / MINERALOGYVanadinite is a lead chlorovanadate mineral, Pb₅(VO₄)₃Cl, in the apatite group. It forms vivid red, orange, brown, yellow, and gray hexagonal barrel-shaped crystals.GEOLOGY & FORMATIONIt is a secondary...

Vanadinite

VanadiniteSCIENCE / MINERALOGYVanadinite is a lead chlorovanadate mineral, Pb₅(VO₄)₃Cl, in the apatite group. It forms vivid red, orange, brown, yellow, and gray hexagonal barrel-shaped crystals.GEOLOGY & FORMATIONIt is a secondary...

Turkish Amethyst

Turkish Amethyst

Turkish AmethystSCIENCE / MINERALOGYTurkish Amethyst is a natural mineral, rock, fossil, or trade material recognized in the crystal and lapidary market. Its exact mineralogical identity is best described from verified...

Turkish Amethyst

Turkish AmethystSCIENCE / MINERALOGYTurkish Amethyst is a natural mineral, rock, fossil, or trade material recognized in the crystal and lapidary market. Its exact mineralogical identity is best described from verified...

Uvite

Uvite

UviteSCIENCE / MINERALOGYUvite is a calcium-magnesium tourmaline-group mineral, commonly dark green, brown, black, red-brown, or yellow. It crystallizes in the trigonal system.GEOLOGY & FORMATIONIt forms mainly in magnesium- and calcium-rich...

Uvite

UviteSCIENCE / MINERALOGYUvite is a calcium-magnesium tourmaline-group mineral, commonly dark green, brown, black, red-brown, or yellow. It crystallizes in the trigonal system.GEOLOGY & FORMATIONIt forms mainly in magnesium- and calcium-rich...

Uvarovite Garnet

Uvarovite Garnet

Uvarovite GarnetSCIENCE / MINERALOGYUvarovite is a chromium-rich calcium garnet, Ca₃Cr₂(SiO₄)₃, famous for emerald-green drusy crystals. It crystallizes in the cubic system.GEOLOGY & FORMATIONIt forms in chromium-rich ultramafic rocks and serpentinites,...

Uvarovite Garnet

Uvarovite GarnetSCIENCE / MINERALOGYUvarovite is a chromium-rich calcium garnet, Ca₃Cr₂(SiO₄)₃, famous for emerald-green drusy crystals. It crystallizes in the cubic system.GEOLOGY & FORMATIONIt forms in chromium-rich ultramafic rocks and serpentinites,...

Unicorn Jasper

Unicorn Jasper

Unicorn JasperSCIENCE / MINERALOGYUnicorn Jasper is a modern trade name for pastel multicolored silica-rich ornamental rock, often pink, lavender, gray, cream, and green. It is not a formal jasper species.GEOLOGY...

Unicorn Jasper

Unicorn JasperSCIENCE / MINERALOGYUnicorn Jasper is a modern trade name for pastel multicolored silica-rich ornamental rock, often pink, lavender, gray, cream, and green. It is not a formal jasper species.GEOLOGY...

Unakite

Unakite

UnakiteSCIENCE / MINERALOGYUnakite is a metamorphosed and hydrothermally altered granitic rock composed mainly of pink potassium feldspar, green epidote, and quartz.GEOLOGY & FORMATIONIt forms when granite undergoes epidotization and metasomatic...

Unakite

UnakiteSCIENCE / MINERALOGYUnakite is a metamorphosed and hydrothermally altered granitic rock composed mainly of pink potassium feldspar, green epidote, and quartz.GEOLOGY & FORMATIONIt forms when granite undergoes epidotization and metasomatic...