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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Grattarolaite
Grattarolaite
Name
—
Fe³⁺₃O₃(PO₄)
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
4.08
Specific gravity
—
Brown
Streak
—
Greasy
Luster
—
—
Cleavage
—
R3m
Space group
—
—
Structural group
—
Gra · Approved
IMA
—
1995
Named in
—
Reddish brown
Typical colors
—
Fe · O · P
Elements
—