×

Legrandite
Legrandite

Austinite
Austinite



ADD
Compare
X
Legrandite
X
Austinite

Legrandite and Austinite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

3.98-4.044.12
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

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

Mohs Hardness

4.5-54-4.5
2 10
👆🏻

Chemical Composition

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

Legrandite and Austinite Chemical Formula

While comparing Legrandite 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 Legrandite and Austinite chemical formula.

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

Legrandite and Austinite Specific Gravity

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