VS
Name
—
CaBe(PO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5–5.5
Mohs hardness
—
2.95
Specific gravity
—
—
Streak
—
Vitreous to subvitreous, resinous
Luster
—
On {110}, irregular
Cleavage
—
P2_1/a
Space group
—
Gadolinite
Structural group
—
Hhd · Approved
IMA
—
1894
Named in
—
Colorless, gray, brown, pale yellow, greenish white, light blue, purple; colorless in transmitted light
Typical colors
—
Ca · Be · P · O · H
Elements
—