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Blue spinel
Blue spinel

Pargasite
Pargasite



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Blue spinel
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Pargasite

Blue spinel and Pargasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3.04-3.26
Amber
1 7.18
1.5 Fracture
Not Available
Splintery, Brittle, Uneven
1.6 Cleavage
Not Available
{110} perfect
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
Not Available
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Blue spinel and Pargasite Chemical Formula

While comparing Blue spinel and Pargasite 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 Blue spinel and Pargasite chemical formula.

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  • Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Blue spinel and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue spinel and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue spinel and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Blue spinel is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.