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Pietersite
Pietersite

Spinel
Spinel



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Pietersite
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Spinel

Pietersite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3.64-3.66
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
None, but may exhibit slight parting
1.7 Mohs Hardness
58
Amber
2 10
1.8 Chemical Composition
Not Available
MgAl2O4

Pietersite and Spinel Chemical Formula

While comparing Pietersite and Spinel 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 Pietersite and Spinel chemical formula.

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  • Chemical formula of Spinel- MgAl2O4

Pietersite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pietersite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pietersite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Pietersite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.