Gaylussite and Halite Physical Properties

Gaylussite

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

decomposes in water

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.992.17

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, Brittle, Metallic

1.6 Cleavage

perfect [110]

Perfect {001}, three directions cubic

1.7 Mohs Hardness

2.52.0-2.5

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

NaCl

Gaylussite and Halite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Halite chemical formula.

Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Chemical formula of Halite- NaCl

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Gaylussite and Halite Specific Gravity

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