VS
Name
—
Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Triclinic
Crystal system
—
4
Mohs hardness
—
2.5
Specific gravity
—
Pale brown
Streak
—
Vitreous
Luster
—
One nearly k to elongation; one ≃ ⊥ optic normal; one ⊥ Bxa
Cleavage
—
—
Space group
—
Strunzite
Structural group
—
Fostz · Approved
IMA
—
1983
Named in
—
Pale brown, colorless, white, straw-yellow, bright orange
Typical colors
—
Fe · P · O · H
Elements
—