VS
Name
—
Na₄BaTi₂B₂Si₁₀O₃₀
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6–6.5
Mohs hardness
—
3.04–3.09
Specific gravity
—
White
Streak
—
Vitreous to pearly
Luster
—
{010}, {001}, distinct
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Lsp · Grandfathered
IMA
—
1901
Named in
—
Colorless, white, pale to dark green, pale yellow, pale gray to blue
Typical colors
—
Na · Ba · Ti · B · Si · O
Elements
—