×

Austinite
Austinite

Iolite
Iolite



ADD
Compare
X
Austinite
X
Iolite

Austinite and Iolite Physical Properties

Add ⊕

Physical Properties

Tenacity

Brittle
-

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.122.6-2.7
1 7.18
👆🏻

Fracture

Uneven
-

Cleavage

Good in two directions parallel to the prism faces {110}
3,1

Mohs Hardness

4-4.57-7.5
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
Mg2Al4Si5O18

Austinite and Iolite Chemical Formula

While comparing Austinite and Iolite 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 Iolite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Iolite- Mg2Al4Si5O18

Austinite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.