Yafsoanite

General Information:
 Chemical Formula:
Ca3Te2Zn3O12
 Composition:
(Molecular Weight = 763.60 gm)
Calcium 15.75 % Ca
Zinc 25.69 % Zn
Tellurium 33.42 % Te
Oxygen 25.14 % O 
 Empirical Formula:
Ca3Te2Zn3O12
 IMA Status:
Approved IMA 1982
Physical Properties:
 Color:
light brown or dark brown.
 Density:
5.55
 Hardness:
5.5 - Knife Blade
 Luster:
Vitreous (Glassy)
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