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VS
Gerhardtite
Name
—
Cu₂(NO₃)(OH)₃
Formula
—
Mineral Species
Entry type
—
Nitrates
Chemical class
—
Orthorhombic
Crystal system
—
2
Mohs hardness
—
3.4–3.43
Specific gravity
—
Pale green
Streak
—
[Vitreous.]
Luster
—
On {001}, perfect; on {100}, good
Cleavage
—
P2_12_12_1
Space group
—
—
Structural group
—
Ghd · Grandfathered
IMA
—
1885
Named in
—
Dark green, emerald-green, bluish green
Typical colors
—
Cu · N · O · H
Elements
—