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VS
Cornetite
Name
—
Cu₃(PO₄)(OH)₃
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
4.5
Mohs hardness
—
4.1
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
—
Cleavage
—
Pbca
Space group
—
—
Structural group
—
Cne · Grandfathered
IMA
—
1912
Named in
—
Deep blue, peacock-blue, pale blue to greenish blue; in transmitted light, greenish blue, may be zoned
Typical colors
—
Cu · P · O · H
Elements
—