VS
Name
—
CaB(SiO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5–5.5
Mohs hardness
—
2.96–3
Specific gravity
—
white
Streak
—
Vitreous, rarely subresinous on fracture surface
Luster
—
—
Cleavage
—
P2_1/a
Space group
—
Gadolinite
Structural group
—
Dat · Grandfathered
IMA
—
1806
Named in
—
Colorless, White, Yellow, Green, Brown, Pink
Typical colors
—
Ca · B · Si · O · H
Elements
—