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Gaylussite
Gaylussite

Austinite
Austinite



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Gaylussite
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Austinite

Gaylussite and Austinite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
decomposes in water
Easily soluble in cold dilute HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.93-1.99
4.12
1.5 Fracture
Conchoidal, Conchoidal, Brittle
Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
perfect [110]
Good in two directions parallel to the prism faces {110}
1.7 Mohs Hardness
2.5
4-4.5
1.8 Chemical Composition
Na2Ca(CO3)2•5(H2O)
CaZn(AsO4)(OH)

Gaylussite and Austinite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Austinite chemical formula.

  • Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Gaylussite and Austinite Specific Gravity

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