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Spinel
Spinel

Witherite
Witherite



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Spinel
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Witherite

Spinel and Witherite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spinel and Witherite Chemical Formula

While comparing Spinel and Witherite 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 Witherite chemical formula.

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Spinel and Witherite Specific Gravity

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