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UM1991-09-OH:AlCr
Mineral Data
γ-(Cr,Al)O(OH)
Isostructural with:
Böhmite
Polymorph of:
Bracewellite
Grimaldiite
Guyanaite
Strunz:
4/F.06-
Physical Properties
Colour:
Green
Crystal System:
Orthorhombic
Streak:
Green
