VS
Name
—
Ca₂Fe³⁺₄Zn(AsO₄)₄(OH)₆·6H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
2
Mohs hardness
—
3.11
Specific gravity
—
Pale orange
Streak
—
Resinous on cleavages
Luster
—
On {001}, perfect; on {010}, {100}, poor
Cleavage
—
—
Space group
—
—
Structural group
—
Obu · Approved
IMA
—
1980
Named in
—
Bright reddish orange; dark brownish red on oxidized surfaces
Typical colors
—
Ca · Fe · Zn · As · O · H
Elements
—