VS
Name
—
K(AlSi₃O₈)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6–6.5
Mohs hardness
—
2.55–2.63
Specific gravity
—
White
Streak
—
Vitreous, pearly on cleavages
Luster
—
Perfect on {001} and {010}; partings on {100}, {110}, {110}, and {201}
Cleavage
—
C-1
Space group
—
Feldspar
Structural group
—
Or · Approved
IMA
—
1823
Named in
—
White, Pink, Yellow, Colorless, Gray
Typical colors
—
K · Al · Si · O
Elements
—