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

VS
Anorthite
Name
—
Ca(Al₂Si₂O₈)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
6–6.5
Mohs hardness
—
2.74–2.76
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {001}, less so on {010}, imperfect on {110}
Cleavage
—
P-1
Space group
—
Feldspar
Structural group
—
An · Grandfathered
IMA
—
1823
Named in
—
White, Gray, Colorless
Typical colors
—
Ca · Al · Si · O
Elements
—