Caledonite and Austinite Physical Properties

Caledonite

Austinite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.764.12

1 7.18

1.5 Fracture

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

[001] perfect; [100] distinct

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

1.7 Mohs Hardness

2.5-34-4.5

2 10

1.8 Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

CaZn(AsO4)(OH)

Caledonite and Austinite Chemical Formula

While comparing Caledonite 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 Caledonite and Austinite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Austinite- CaZn(AsO4)(OH)

Compare Blue Gemstones

Caledonite Vs Common Opal

Caledonite Vs Chrysocolla

Caledonite Vs Coral

Caledonite and Austinite Specific Gravity

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