VS
Name
—
CaMn²⁺(BeOH)₂Si₅O₁₃·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
3
Mohs hardness
—
2.56–2.64
Specific gravity
—
White to pale ocher
Streak
—
Vitreous to pearly
Luster
—
Good to perfect on {100}, {010}, and {001}
Cleavage
—
Pnab
Space group
—
—
Structural group
—
Cve · Approved
IMA
—
1981
Named in
—
Pale orange-yellow; in thin section, colorless to yellow or orange-yellow
Typical colors
—
Ca · Mn · Be · O · H · Si
Elements
—