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Austinite
Austinite

Pectolite
Pectolite



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Austinite
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Pectolite

Austinite and Pectolite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.122.74-2.90
1 7.18
👆🏻

Fracture

Uneven
Uneven, Splintery

Cleavage

Good in two directions parallel to the prism faces {110}
Perfect on {100} and {001}

Mohs Hardness

4-4.54.5-5
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Austinite and Pectolite Chemical Formula

While comparing Austinite and Pectolite 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 Pectolite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Austinite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.