Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
CaMn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂·8H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.71–2.72
Specific gravity
—
—
Streak
—
Vitreous to subadamantine
Luster
—
Good on {001}
Cleavage
—
P2/a
Space group
—
Jahnsite
Structural group
—
Jah-CaMnMg · Approved
IMA
—
1973
Named in
—
Nut-brown, purplish brown, yellow, yellow-orange, greenish yellow, red-brown, red-orange, pale green
Typical colors
—
Ca · Mn · Mg · Fe · P · O · H
Elements
—