Austinite and Bloodstone Heliotrope Physical Properties

Austinite

Bloodstone Heliotrope

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.122.55-2.70

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-4.56.5-7

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

SiO 2Arthur Thomas , Gemstones (2009)

Austinite and Bloodstone Heliotrope Chemical Formula

While comparing Austinite and Bloodstone Heliotrope 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 Bloodstone Heliotrope chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Austinite Vs Cordierite

Austinite Vs Apophyllite KF

Austinite Vs Clintonite

Austinite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.