Properties & Information

Cuprite

Cuprite

CupriteSCIENCE / MINERALOGYCuprite is copper(I) oxide, Cu₂O, and crystallizes in the isometric system. It forms deep red, ruby-red, brown-red, or nearly black octahedral and cubic crystals, as well as granular...

Cuprite

CupriteSCIENCE / MINERALOGYCuprite is copper(I) oxide, Cu₂O, and crystallizes in the isometric system. It forms deep red, ruby-red, brown-red, or nearly black octahedral and cubic crystals, as well as granular...

Cryolite

Cryolite

CryoliteSCIENCE / MINERALOGYCryolite is sodium aluminum fluoride, Na₃AlF₆. It crystallizes in the monoclinic system and can appear colorless, white, gray, brown, or reddish, often with a greasy to vitreous luster....

Cryolite

CryoliteSCIENCE / MINERALOGYCryolite is sodium aluminum fluoride, Na₃AlF₆. It crystallizes in the monoclinic system and can appear colorless, white, gray, brown, or reddish, often with a greasy to vitreous luster....

Crocoite

Crocoite

CrocoiteSCIENCE / MINERALOGYCrocoite is lead chromate, PbCrO₄, and crystallizes in the monoclinic system. It is famous for brilliant orange, red-orange, and scarlet prismatic crystals with adamantine luster. Its intense color...

Crocoite

CrocoiteSCIENCE / MINERALOGYCrocoite is lead chromate, PbCrO₄, and crystallizes in the monoclinic system. It is famous for brilliant orange, red-orange, and scarlet prismatic crystals with adamantine luster. Its intense color...

Creedite

Creedite

CreediteSCIENCE / MINERALOGYCreedite is a hydrated calcium aluminum sulfate fluoride hydroxide mineral with the formula Ca₃Al₂(SO₄)(F,OH)₁₀·2H₂O. It crystallizes in the monoclinic system and commonly forms radiating sprays and clusters of...

Creedite

CreediteSCIENCE / MINERALOGYCreedite is a hydrated calcium aluminum sulfate fluoride hydroxide mineral with the formula Ca₃Al₂(SO₄)(F,OH)₁₀·2H₂O. It crystallizes in the monoclinic system and commonly forms radiating sprays and clusters of...

Crazy Lace Amethyst

Crazy Lace Amethyst

Crazy Lace AmethystSCIENCE / MINERALOGYCrazy Lace Amethyst is a trade name for purple quartz-rich material showing intricate lace-like, brecciated, or banded patterns. The host is amethyst, the purple variety of...

Crazy Lace Amethyst

Crazy Lace AmethystSCIENCE / MINERALOGYCrazy Lace Amethyst is a trade name for purple quartz-rich material showing intricate lace-like, brecciated, or banded patterns. The host is amethyst, the purple variety of...

Crazy Lace Agate

Crazy Lace Agate

Crazy Lace AgateSCIENCE / MINERALOGYCrazy Lace Agate is a highly patterned agate variety composed of microcrystalline quartz. It is recognized by intricate looping, fortification, eye, and lace-like bands in cream,...

Crazy Lace Agate

Crazy Lace AgateSCIENCE / MINERALOGYCrazy Lace Agate is a highly patterned agate variety composed of microcrystalline quartz. It is recognized by intricate looping, fortification, eye, and lace-like bands in cream,...