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Rock Crystal
Rock Crystal

Spinel
Spinel



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X
Rock Crystal
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Spinel

Rock Crystal and Spinel Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)
 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4

Rock Crystal and Spinel Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Spinel chemical formula.

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Rock Crystal and Spinel Specific Gravity

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