VS
Name
—
Fe²⁺Al(PO₄)(OH)₂·H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
5
Mohs hardness
—
3.11–3.19
Specific gravity
—
White
Streak
—
Vitreous to resinous
Luster
—
{100}, poor
Cleavage
—
Bba2
Space group
—
Childrenite
Structural group
—
Chd · Grandfathered
IMA
—
1823
Named in
—
Yellowish brown to brown, clove-brown
Typical colors
—
Fe · Al · P · O · H
Elements
—