VS
Name
—
NaCa₂Fe²⁺₂(Fe³⁺,Mn²⁺,Fe²⁺)₄(PO₄)₆·2H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
4.5–5
Mohs hardness
—
3.54
Specific gravity
—
Green
Streak
—
Submetallic
Luster
—
Good on {010}
Cleavage
—
Pcab
Space group
—
Wicksite
Structural group
—
Wic · Approved
IMA
—
1979
Named in
—
Dark blue to dark green, nearly black
Typical colors
—
Na · Ca · Fe · Mn · P · O · H
Elements
—