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Blue spinel
Blue spinel

Willemite
Willemite



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Blue spinel
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Willemite

Blue spinel and Willemite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
MgAl2O4
 
-
-
-
3.89-4.18
Conchoidal, Uneven
{0001}, {11 2 0} imperfect
5.5
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Blue spinel and Willemite Chemical Formula

While comparing Blue spinel and Willemite 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 Willemite chemical formula.

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Blue spinel and Willemite Specific Gravity

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