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Smaragdite
Smaragdite

Austinite
Austinite



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Smaragdite
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Austinite

Smaragdite and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

3.24-3.504.12
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

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

Mohs Hardness

5.54-4.5
2 10
👆🏻

Chemical Composition

NaCa2(Al,Fe)3Si6O18(OH)4
CaZn(AsO4)(OH)

Smaragdite and Austinite Chemical Formula

While comparing Smaragdite 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 Smaragdite and Austinite chemical formula.

  • Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Smaragdite and Austinite Specific Gravity

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