VS
Name
—
Ca₂Mn²⁺₅Be₄(PO₄)₆(OH)₄·6H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Triclinic
Crystal system
—
4.5
Mohs hardness
—
2.9–2.97
Specific gravity
—
—
Streak
—
—
Luster
—
On {001}, good; on {010}, distinct
Cleavage
—
C-1
Space group
—
Roscherite
Structural group
—
Rsc · Grandfathered
IMA
—
1914
Named in
—
Greenish gray, olive-green, sage-green, dark brown, reddish brown, orange
Typical colors
—
Ca · Mn · Be · P · O · H
Elements
—