Austinite and Zinnwaldite Physical Properties

Austinite

Zinnwaldite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.122.9-3.1

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven

1.6 Cleavage

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

Perfect basal {001}

1.7 Mohs Hardness

4-4.53.5-4.0

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Not Available

Austinite and Zinnwaldite Chemical Formula

While comparing Austinite and Zinnwaldite 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 Zinnwaldite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)

Compare Green Gemstones

Austinite Vs Cordierite

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

Austinite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.