VS
Name
—
Ca₂( ,Mn)₂(Fe³⁺,Mn,Mg)₄Be₄(PO₄)₆(OH)₆·4H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
4.5
Mohs hardness
—
2.88
Specific gravity
—
Orange-brown
Streak
—
Vitreous
Luster
—
Perfect on {100}, good on {010} (by analogy to other roscherite- group minerals)
Cleavage
—
C2/c
Space group
—
Roscherite
Structural group
—
Rui · Approved
IMA
—
2005
Named in
—
Reddish brown
Typical colors
—
Ca · Mn · Fe · Mg · Be · P · O · H
Elements
—