VS
Name
—
(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5–6
Mohs hardness
—
2.42–2.51
Specific gravity
—
White
Streak
—
Vitreous, pearly, or greasy
Luster
—
Perfect on {1010}, poor on {0001}
Cleavage
—
P6_3
Space group
—
Cancrinite
Structural group
—
Ccn · Grandfathered
IMA
—
1833
Named in
—
Yellow, White, Gray, Blue, Green, Orange
Typical colors
—
Na · Ca · Al · Si · O · C · S · H
Elements
—