VS
Name
—
Y₂(SiO₄)(CO₃)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
5.5–6
Mohs hardness
—
4.47
Specific gravity
—
White
Streak
—
Vitreous to resinous
Luster
—
Distinct on {011}
Cleavage
—
P-1
Space group
—
—
Structural group
—
Iim-Y · Approved
IMA
—
1967
Named in
—
Buff-tan, light purplish gray; in thin section, colorless
Typical colors
—
Y · Si · O · C
Elements
—