Catapleiite and Austinite Physical Properties

Catapleiite

Austinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.724.12

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{110} Perfect, {010} Perfect

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

1.7 Mohs Hardness

5-64-4.5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

CaZn(AsO4)(OH)

Catapleiite and Austinite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Austinite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Catapleiite and Austinite Specific Gravity

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