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Spinel
Spinel

Precious coral
Precious coral



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Spinel
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Precious coral

Spinel and Precious coral Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.66Not Available
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
None, but may exhibit slight parting
Not Available
1.7 Mohs Hardness
83.5
Amber
2 10
1.8 Chemical Composition
MgAl2O4
Not Available

Spinel and Precious coral Chemical Formula

While comparing Spinel and Precious coral 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 Spinel and Precious coral chemical formula.

  • Chemical formula of Spinel- MgAl2O4
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Spinel and Precious coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Precious coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Precious coral Optical Properties during the identification of gemstone. Specific gravity of Spinel is Not Available whereas that of Precious coral is Not Available.