VS
Name
—
Ca(UO₂)₂(PO₄)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Tetragonal
Crystal system
—
2–2.5
Mohs hardness
—
3.35–3.55
Specific gravity
—
—
Streak
—
Pearly to dull
Luster
—
Perfect on {001}; indistinct on {010}
Cleavage
—
P4/nmm
Space group
—
Meta-autunite
Structural group
—
Maut · Grandfathered
IMA
—
1904
Named in
—
Lemon-yellow to greenish yellow, yellowish green, dark green
Typical colors
—
Ca · U · O · P · H
Elements
—