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Carobbiite

Year of discovery: 1956 (Monte Vesuvius, Italy), 1963 (Japan)

Locality list: A locality of carobbiite

• KF
• [K⁺][F]^-

• Class: Fluoride
• Soluble in: Water
• Radioactive: Moderate

• K => Li: Griceite
• K => Na: Villiaumite

• F => Cl: Sylvite

• Color: Colorless
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Distinct on {001} (3 planes)
• Hardness: 2-2.5
• Density: 2.5

• System: Cubic
• Group: m3m, Fm3m
• Lattice: a=5.3