Ferrisurite

General Information:
 Chemical Formula:
(Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Fe,Al)2Si4O10(OH)2]·n(H2O)
 Environment:
Oxidize lead deposit in contact metamorphosed and faulted shaly limestone.
 IMA Status:
Approved IMA
 Locality:
Shirley Ann claim, Ubehebe district, Inyo County, California, USA.
 Name Origin:
Named for its composition and relationship to surite.
Physical Properties:
 Cleavage:
[???] Perfect
 Color:
forest green, yellow green, or olive green.
 Density:
4
 Diaphaniety:
Transparent
 Habits:
Fibrous - Crystals made up of fibers., ,
 Hardness:
2-2.5 - Gypsum-Finger Nail
 Luminescence:
Non-fluorescent.
 Luster:
Silky
 Streak:
greenish yellow
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