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Gahnospinel and Creedite Physical Properties


Creedite and Gahnospinel Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.65-4.55   
2.70   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
None, but may exhibit slight parting   
Perfect on {100}   

Mohs Hardness
7.5-8   
4.5   

Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)   
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.   

Optical Properties >>
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Gahnospinel and Creedite Chemical Formula

While comparing Gahnospinel and Creedite 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 Creedite chemical formula.

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Gahnospinel and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Creedite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.70 whereas that of Creedite is 2.70.

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