VS
Name
—
CaBe₃Mn²⁺₂(SiO₄)₃
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6–7
Mohs hardness
—
3.474
Specific gravity
—
—
Streak
—
Vitreous, brilliant
Luster
—
Distinct on {001}
Cleavage
—
P2_1/n
Space group
—
Beryllonite
Structural group
—
Tme · Grandfathered
IMA
—
1890
Named in
—
Salmon-pink, pale yellowish red to nearly colorless; in thin section, colorless
Typical colors
—
Ca · Be · Mn · Si · O
Elements
—