Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
(Mg,Al,Fe)₆Al₄(Si,Al)₄(B,Si,Al)(O,OH,F)₂₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
—
Specific gravity
—
—
Streak
—
—
Luster
—
—
Cleavage
—
Cmcm
Space group
—
Kornerupine
Structural group
—
Prm · Approved
IMA
—
1886
Named in
—
—
Typical colors
—
Mg · Al · Fe · Si · B · O · H · F
Elements
—