VS
Name
—
Ca₂Fe²⁺(PO₄)₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Triclinic
Crystal system
—
3.5
Mohs hardness
—
3.16
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Perfect on {001}, producing curved irregular surfaces
Cleavage
—
P-1
Space group
—
Fairfieldite
Structural group
—
Msl · Approved
IMA
—
1890
Named in
—
White, pale greenish white, greenish gray, pink
Typical colors
—
Ca · Fe · P · O · H
Elements
—