Austinite and Moonstone Physical Properties

Austinite

Moonstone

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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

4.122.56-2.60

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

4-4.56-6.5

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Austinite and Moonstone Chemical Formula

While comparing Austinite and Moonstone 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 Moonstone chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Green Gemstones

Austinite Vs Cordierite

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

Austinite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.