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Blue spinel
Blue spinel

Cinnabar
Cinnabar



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Blue spinel
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Cinnabar

Blue spinel and Cinnabar Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
MgAl2O4
 
Slightly sectile
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
-
2
Uneven
Prismatic {10 1 0}, perfect
2-2.5
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Blue spinel and Cinnabar Chemical Formula

While comparing Blue spinel and Cinnabar 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 Cinnabar chemical formula.

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Blue spinel and Cinnabar Specific Gravity

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