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Arfvedsonite
Arfvedsonite

Austinite
Austinite



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Arfvedsonite
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Austinite

Arfvedsonite and Austinite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

3.3-3.54.12
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

Perfect on [110]
Good in two directions parallel to the prism faces {110}

Mohs Hardness

5-64-4.5
2 10
👆🏻

Chemical Composition

NaNa2(Fe++4Fe+++)Si8O22(OH)2
CaZn(AsO4)(OH)

Arfvedsonite and Austinite Chemical Formula

While comparing Arfvedsonite and Austinite 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 Arfvedsonite and Austinite chemical formula.

  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Arfvedsonite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 4.12 whereas that of Austinite is 4.12.