VS
Name
—
Mg₂BeAl₆O₁₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
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Hexagonal
Crystal system
—
8–8.5
Mohs hardness
—
3.68
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect, {0001}, or a parting; another, {1011}, less perfect
Cleavage
—
R-3m
Space group
—
Taaffeite-Magnesiotaaffeite
Structural group
—
Mtf- 6N'3S · Approved
IMA
—
1966
Named in
—
Pale olive-green; in thin section, nearly colorless
Typical colors
—
Mg · Be · Al · O
Elements
—