VS
Name
—
Ca₂Be₄Mg₅(PO₄)₆(OH)₄·6H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5
Mohs hardness
—
2.76
Specific gravity
—
White
Streak
—
Vitreous to pearly on cleavages
Luster
—
{100}, good; {010}, distinct
Cleavage
—
C2/c
Space group
—
Roscherite
Structural group
—
Zan · Approved
IMA
—
1986
Named in
—
Pale to dark olive-green, antithetically zoned in Fe: Mn content, yellowish green; nearly colorless to tan
Typical colors
—
Ca · Be · Mg · P · O · H
Elements
—