VS
Name
—
(Na,K)₃₀Ca₁₀(Si₃₀Al₃₀)O₁₂₀(SO₄)₁₀·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5
Mohs hardness
—
2.46–2.52
Specific gravity
—
—
Streak
—
Pearly
Luster
—
{0001}, distinct
Cleavage
—
P321
Space group
—
Cancrinite-sodalite
Structural group
—
Frz · Approved
IMA
—
1976
Named in
—
White to colorless
Typical colors
—
Na · K · Ca · Si · Al · O · S · H
Elements
—