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VS
T
Name
—
Cu₃(OH)₂As₂O₇
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
4.72
Specific gravity
—
Yellowish green
Streak
—
Vitreous to adamantine
Luster
—
Perfect on {001}
Cleavage
—
Pmma
Space group
—
—
Structural group
—
Thp · Approved
IMA
—
1998
Named in
—
Dark pistachio-green
Typical colors
—
Cu · O · H · As
Elements
—