Properties & Information
Blue Aventurine
Blue AventurineSCIENCE / MINERALOGYBlue Aventurine is a commercial quartz material whose blue appearance is commonly attributed to fine inclusions of blue minerals such as dumortierite. Aventurine itself is a quartz-rich...
Blue Aventurine
Blue AventurineSCIENCE / MINERALOGYBlue Aventurine is a commercial quartz material whose blue appearance is commonly attributed to fine inclusions of blue minerals such as dumortierite. Aventurine itself is a quartz-rich...
Blue Aragonite
Blue AragoniteSCIENCE / MINERALOGYBlue Aragonite is a blue variety of aragonite, CaCO₃, one of the principal calcium-carbonate polymorphs. Unlike trigonal calcite, aragonite crystallizes in the orthorhombic system and commonly develops...
Blue Aragonite
Blue AragoniteSCIENCE / MINERALOGYBlue Aragonite is a blue variety of aragonite, CaCO₃, one of the principal calcium-carbonate polymorphs. Unlike trigonal calcite, aragonite crystallizes in the orthorhombic system and commonly develops...
Blue Apatite and Orange Calcite
Blue Apatite and Orange CalciteSCIENCE / MINERALOGYBlue Apatite and Orange Calcite is a two-mineral ornamental material composed of blue apatite crystals set within an orange calcite matrix. The apatite is...
Blue Apatite and Orange Calcite
Blue Apatite and Orange CalciteSCIENCE / MINERALOGYBlue Apatite and Orange Calcite is a two-mineral ornamental material composed of blue apatite crystals set within an orange calcite matrix. The apatite is...
Blue Apatite
Blue ApatiteSCIENCE / MINERALOGYBlue Apatite is usually blue fluorapatite, a calcium phosphate mineral belonging to the apatite group. Apatite crystallizes in the hexagonal system and occurs in blue, green, yellow,...
Blue Apatite
Blue ApatiteSCIENCE / MINERALOGYBlue Apatite is usually blue fluorapatite, a calcium phosphate mineral belonging to the apatite group. Apatite crystallizes in the hexagonal system and occurs in blue, green, yellow,...
Bloodstone
BloodstoneSCIENCE / MINERALOGYBloodstone, or heliotrope, is a dark green variety of chalcedony or jasper containing contrasting red to brown spots, commonly produced by iron oxides such as hematite. It is...
Bloodstone
BloodstoneSCIENCE / MINERALOGYBloodstone, or heliotrope, is a dark green variety of chalcedony or jasper containing contrasting red to brown spots, commonly produced by iron oxides such as hematite. It is...
Black Tourmaline
Black TourmalineSCIENCE / MINERALOGYBlack Tourmaline is usually schorl, the iron-rich member of the tourmaline group. Schorl is a complex borosilicate with sodium, iron, aluminum, boron, silicon, oxygen, and hydroxyl in...
Black Tourmaline
Black TourmalineSCIENCE / MINERALOGYBlack Tourmaline is usually schorl, the iron-rich member of the tourmaline group. Schorl is a complex borosilicate with sodium, iron, aluminum, boron, silicon, oxygen, and hydroxyl in...