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Umbalite
Umbalite

Variscite
Variscite



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Umbalite
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Variscite

Umbalite and Variscite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.62-4.33
Uneven
Indiscernible
7-7.5
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
 
-
-
-
2.42-2.58
Conchoidal, Splintery, ConchoidalWalter Schumann
[010] perfect
4-5
AlPO4 · 2(H2O)

Umbalite and Variscite Chemical Formula

While comparing Umbalite and Variscite 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 Umbalite and Variscite chemical formula.

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Umbalite and Variscite Specific Gravity

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