Halite and Diaspore Physical Properties

Halite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Water-soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.173.30-3.40

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect {001}, three directions cubic

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

2.0-2.56.5-7

2 10

1.8 Chemical Composition

NaCl

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Halite and Diaspore Chemical Formula

While comparing Halite and Diaspore 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 Halite and Diaspore chemical formula.

Chemical formula of Halite- NaCl
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Halite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Halite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Halite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.