VS
Name
—
Fe³⁺Cu²⁺(AsO₄)O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
3
Mohs hardness
—
4.447
Specific gravity
—
Brownish yellow
Streak
—
Silky
Luster
—
Perfect on {010}
Cleavage
—
Pnnm
Space group
—
Andalusite
Structural group
—
Aur · Approved
IMA
—
2009
Named in
—
Brownish golden-yellow; ocherous yellow mats
Typical colors
—
Fe · Cu · As · O
Elements
—