Properties & Information
Breche Agate (Breccia Agate)
Breche Agate (Breccia Agate)SCIENCE / MINERALOGYBreche Agate, also called Breccia Agate or Brecciated Agate, is an agate- and chalcedony-rich breccia rather than a separate mineral species. It consists of angular...
Breche Agate (Breccia Agate)
Breche Agate (Breccia Agate)SCIENCE / MINERALOGYBreche Agate, also called Breccia Agate or Brecciated Agate, is an agate- and chalcedony-rich breccia rather than a separate mineral species. It consists of angular...
Brazilianite
BrazilianiteSCIENCE / MINERALOGYBrazilianite is a rare sodium-aluminum phosphate hydroxide mineral with the formula NaAl₃(PO₄)₂(OH)₄. It crystallizes in the monoclinic system and is best known for transparent to translucent yellow, chartreuse,...
Brazilianite
BrazilianiteSCIENCE / MINERALOGYBrazilianite is a rare sodium-aluminum phosphate hydroxide mineral with the formula NaAl₃(PO₄)₂(OH)₄. It crystallizes in the monoclinic system and is best known for transparent to translucent yellow, chartreuse,...
Botswana Agate
Botswana AgateSCIENCE / MINERALOGYBotswana Agate is a finely banded agate variety composed of microcrystalline quartz. It is known for exceptionally detailed parallel and curved bands in gray, white, brown, black,...
Botswana Agate
Botswana AgateSCIENCE / MINERALOGYBotswana Agate is a finely banded agate variety composed of microcrystalline quartz. It is known for exceptionally detailed parallel and curved bands in gray, white, brown, black,...
Blueberry Fluorite
Blueberry FluoriteSCIENCE / MINERALOGYBlueberry Fluorite is a trade name for an unusually dark navy- to blueberry-blue variety of fluorite, calcium fluoride (CaF₂). Fluorite crystallizes in the cubic system and commonly...
Blueberry Fluorite
Blueberry FluoriteSCIENCE / MINERALOGYBlueberry Fluorite is a trade name for an unusually dark navy- to blueberry-blue variety of fluorite, calcium fluoride (CaF₂). Fluorite crystallizes in the cubic system and commonly...
Blue Topaz
Blue TopazSCIENCE / MINERALOGYBlue Topaz is a blue variety of topaz, Al₂SiO₄(F,OH)₂. Topaz crystallizes in the orthorhombic system and is notably hard at 8 on the Mohs scale. Natural blue...
Blue Topaz
Blue TopazSCIENCE / MINERALOGYBlue Topaz is a blue variety of topaz, Al₂SiO₄(F,OH)₂. Topaz crystallizes in the orthorhombic system and is notably hard at 8 on the Mohs scale. Natural blue...
Blue Tiger Eye
Blue Tiger EyeSCIENCE / MINERALOGYBlue Tiger Eye, often called Hawk's Eye, is a chatoyant quartz material formed through replacement of fibrous amphibole by silica while preserving the original parallel fiber...
Blue Tiger Eye
Blue Tiger EyeSCIENCE / MINERALOGYBlue Tiger Eye, often called Hawk's Eye, is a chatoyant quartz material formed through replacement of fibrous amphibole by silica while preserving the original parallel fiber...