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Austinite
Austinite

Natrolite
Natrolite



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Austinite
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Natrolite

Austinite and Natrolite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.122.20-2.26
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

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

Mohs Hardness

4-4.55-5.5
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Natrolite Chemical Formula

While comparing Austinite and Natrolite 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 Natrolite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.