Zinnwaldite and Halite Physical Properties

Zinnwaldite

Halite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.17

1 7.18

1.5 Fracture

Uneven

Conchoidal, Brittle, Metallic

1.6 Cleavage

Perfect basal {001}

Perfect {001}, three directions cubic

1.7 Mohs Hardness

3.5-4.02.0-2.5

2 10

1.8 Chemical Composition

Not Available

NaCl

Zinnwaldite and Halite Chemical Formula

While comparing Zinnwaldite and Halite 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 Zinnwaldite and Halite chemical formula.

Chemical formula of Halite- NaCl

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Zinnwaldite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zinnwaldite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zinnwaldite and Halite Optical Properties during the identification of gemstone. Specific gravity of Zinnwaldite is 2.17 whereas that of Halite is 2.17.