VS
Name
—
(Mn²⁺,Fe³⁺)Al(PO₄)(OH,O)₂
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
3–3.5
Mohs hardness
—
3.07
Specific gravity
—
—
Streak
—
—
Luster
—
On {100}, very good; on {010}, good
Cleavage
—
Bbam
Space group
—
Childrenite
Structural group
—
Ens · Approved
IMA
—
1970
Named in
—
Yellow-brown
Typical colors
—
Mn · Fe · Al · P · O · H
Elements
—