Properties & Information
Chiastolite
ChiastoliteSCIENCE / MINERALOGYChiastolite is a variety of andalusite, Al₂SiO₅, distinguished by dark carbonaceous inclusions arranged in a cross-shaped pattern through the crystal's cross-section. Andalusite crystallizes in the orthorhombic system and...
Chiastolite
ChiastoliteSCIENCE / MINERALOGYChiastolite is a variety of andalusite, Al₂SiO₅, distinguished by dark carbonaceous inclusions arranged in a cross-shaped pattern through the crystal's cross-section. Andalusite crystallizes in the orthorhombic system and...
Chevron Amethyst
Chevron AmethystSCIENCE / MINERALOGYChevron Amethyst is a banded variety of amethyst and white quartz displaying repeated V-shaped, zigzag, or chevron patterns. Both components are quartz, SiO₂; the purple zones are...
Chevron Amethyst
Chevron AmethystSCIENCE / MINERALOGYChevron Amethyst is a banded variety of amethyst and white quartz displaying repeated V-shaped, zigzag, or chevron patterns. Both components are quartz, SiO₂; the purple zones are...
Cherry Tanzurine
Cherry TanzurineSCIENCE / MINERALOGYCherry Tanzurine is a trademarked trade name for reddish to pink quartz-rich material from Tanzania containing fine mica-group inclusions, commonly described as lepidolite-bearing quartz. The host mineral...
Cherry Tanzurine
Cherry TanzurineSCIENCE / MINERALOGYCherry Tanzurine is a trademarked trade name for reddish to pink quartz-rich material from Tanzania containing fine mica-group inclusions, commonly described as lepidolite-bearing quartz. The host mineral...
Cheetah Agate
Cheetah AgateSCIENCE / MINERALOGYCheetah Agate is a modern trade name for spotted beige, cream, brown, and gray silica-rich material whose pattern resembles a cheetah coat. Commercial specimens are commonly described...
Cheetah Agate
Cheetah AgateSCIENCE / MINERALOGYCheetah Agate is a modern trade name for spotted beige, cream, brown, and gray silica-rich material whose pattern resembles a cheetah coat. Commercial specimens are commonly described...
Charoite
CharoiteSCIENCE / MINERALOGYCharoite is a rare complex potassium-calcium silicate mineral known for swirling lavender, violet, purple, white, and black patterns. It commonly occurs as fibrous to massive aggregates rather than...
Charoite
CharoiteSCIENCE / MINERALOGYCharoite is a rare complex potassium-calcium silicate mineral known for swirling lavender, violet, purple, white, and black patterns. It commonly occurs as fibrous to massive aggregates rather than...
Champagne Topaz
Champagne TopazSCIENCE / MINERALOGYChampagne Topaz is a color designation for pale golden-brown, tan, honey, or champagne-colored topaz. Topaz is an aluminum fluorosilicate, Al₂SiO₄(F,OH)₂, that crystallizes in the orthorhombic system and...
Champagne Topaz
Champagne TopazSCIENCE / MINERALOGYChampagne Topaz is a color designation for pale golden-brown, tan, honey, or champagne-colored topaz. Topaz is an aluminum fluorosilicate, Al₂SiO₄(F,OH)₂, that crystallizes in the orthorhombic system and...