×

Austinite
Austinite

Legrandite
Legrandite



ADD
Compare
X
Austinite
X
Legrandite

Austinite and Legrandite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.123.98-4.04
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Good in two directions parallel to the prism faces {110}
Imperfect, poor one {100}

Mohs Hardness

4-4.54.5-5
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Legrandite Chemical Formula

While comparing Austinite and Legrandite 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 Legrandite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.