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

VS
S
Name
—
Mg₃Al₃O(Si₃BeAlO₁₅)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
3.3
Specific gravity
—
—
Streak
—
—
Luster
—
One well-developed ? {010}
Cleavage
—
P2/n
Space group
—
Sapphirine
Structural group
—
Sum · Approved
IMA
—
1974
Named in
—
Dark blue, blue-green
Typical colors
—
Mg · Al · O · Si · Be
Elements
—