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Austinite
Austinite

Mexican fire opal
Mexican fire opal



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Austinite
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Mexican fire opal

Austinite and Mexican fire opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.12-9999
1 7.18
👆🏻

Fracture

Uneven
-

Cleavage

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

Mohs Hardness

4-4.5-9999
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
SiO2·nH2O

Austinite and Mexican fire opal Chemical Formula

While comparing Austinite and Mexican fire opal 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 Mexican fire opal chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Mexican fire opal- SiO2·nH2O

Austinite and Mexican fire opal Specific Gravity

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