Sabelliite

General Information:
 Chemical Formula:
Cu2Zn(As,Sb)O4(OH)3
 Composition:
(Molecular Weight = 394.13 gm)
Zinc 16.59 % Zn
Copper 32.25 % Cu
Antimony 7.72 % Sb
Arsenic 14.26 % As
Hydrogen 0.77 % H 
Oxygen 28.42 % O 
 Empirical Formula:
Cu2ZnAs0.75Sb0.25O4(OH)3
 Environment:
In a quartzitic outcrop as rare, minute crystals.
 IMA Status:
Approved IMA
 Locality:
The abandoned Is Murvonis Mine, Domusnovas, Iglesias district, Sadinia, Italy. Mine dumps near Schwaz, Austria.
 Name Origin:
For Dr. Cesare Sabelli (1934- ) of the Consiglio Nazionale delle Ricerche, Firenze, Ital.
Physical Properties:
 Cleavage:
None
 Color:
emerald green.
 Density:
4.65
 Diaphaniety:
Transparent
 Habits:
Tabular - Form dimensions are thin in one direction., Cylindrical - Shaped like a cylinder., Crystalline - Fine - Occurs as well-formed fine sized crystals.
 Hardness:
4.5 - Between Fluorite and Apatite
 Luminescence:
Non-fluorescent.
 Luster:
Adamantine
 Streak:
light green
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