VS
Name
—
NaBe(PO₄)
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6
Mohs hardness
—
2.77–2.84
Specific gravity
—
—
Streak
—
Vitreous to adamantine, may be pearly on {010}
Luster
—
{010}, perfect; {100}, good, interrupted; {101}, indistinct; {001}, in traces
Cleavage
—
P2_1/n
Space group
—
Beryllonite
Structural group
—
Bel · Grandfathered
IMA
—
1888
Named in
—
Colorless, white to pale yellow; in transmitted light, colorless
Typical colors
—
Na · Be · P · O
Elements
—