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Gahnospinel
Gahnospinel

Sard
Sard



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Gahnospinel
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Sard

Gahnospinel and Sard Physical Properties

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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)
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Gahnospinel and Sard Chemical Formula

While comparing Gahnospinel and Sard physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Gahnospinel and Sard chemical formula.

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Gahnospinel and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel Vs Sard during the identification of gemstone. Specific gravity of Gahnospinel is whereas that of Sard is .