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Austinite
Austinite

Poldervaartite
Poldervaartite



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Austinite
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Poldervaartite

Austinite and Poldervaartite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Easily soluble in cold dilute HCl
-
4.12
Uneven
Good in two directions parallel to the prism faces {110}
4-4.5
CaZn(AsO4)(OH)
 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Austinite and Poldervaartite Chemical Formula

While comparing Austinite and Poldervaartite 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 Austinite and Poldervaartite chemical formula.

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Austinite and Poldervaartite Specific Gravity

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