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Simpsonite
Simpsonite

Austinite
Austinite



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Simpsonite
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Austinite

Simpsonite and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

-99994.12
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
Good in two directions parallel to the prism faces {110}

Mohs Hardness

7-7.54-4.5
2 10
👆🏻

Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
CaZn(AsO4)(OH)

Simpsonite and Austinite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Austinite chemical formula.

  • Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Simpsonite and Austinite Specific Gravity

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