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Jet lignite
Jet lignite
☒

Gahnospinel
Gahnospinel
☒



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Jet lignite
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Gahnospinel
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.30-1.34
-
None
2.5
C
 
-
-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Compare Brown Gemstones

Brown Gemstones

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Chromite
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Vesuvianite
Gahnospinel Vs Vesuvianite
Gahnospinel
Pyrrhotite
Gahnospinel Vs Pyrrhotite

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