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Beyerite

Year of discovery: 1943 (Schneeberg district, Germany), 1979 (Japan)

Locality list: 4 localities of beyerite

• CaBi₂(CO₃)₂O₂
• (Ca,Pb)Bi₂(CO₃)₂O₂
• [Ca²⁺][(BiO)⁺₂][(CO₃)₂]^4-

• Class: Bismutyl - Carbonate
• Soluble in: Acids like HCl (with bubbles)

• Color: White-Pale yellow
• Streak: White
• Luster: Adamantine
• Diaphaneity: Transparent-Translucent

• Cleavage: No
• Hardness: 2-3
• Density: 6.6

• System: Orthorhombic
• Group: mmm, Immm
• Lattice: a=3.8, b=3.8, c=21.7