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Annabergite
Annabergite

Umbalite
Umbalite



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Annabergite
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Umbalite

Annabergite and Umbalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)
 
-
-
-
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)

Annabergite and Umbalite Chemical Formula

While comparing Annabergite and Umbalite 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 Annabergite and Umbalite chemical formula.

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Annabergite and Umbalite Specific Gravity

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