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Gahnospinel
Gahnospinel

Zircon
Zircon



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Gahnospinel
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Zircon
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
 
Brittle
insoluble
-
3.93-4.73
Conchoidal, Uneven
{110} and {111}
7.5
ZrSiO4