VS
Name
—
Na₄Al₃Si₉O₂₄Cl
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Tetragonal
Crystal system
—
5.5–6
Mohs hardness
—
2.5–2.62
Specific gravity
—
White
Streak
—
Vitreous, pearly, resinous
Luster
—
{100}, {110}, distinct
Cleavage
—
I4/m
Space group
—
Scapolite
Structural group
—
Mar · Grandfathered
IMA
—
1866
Named in
—
Colorless, White, Gray, Yellow
Typical colors
—
Na · Al · Si · O · Cl
Elements
—