Halite and Peridot Physical Properties

Halite

Peridot

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Water-soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.171.54-1.55

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

Conchoidal

1.6 Cleavage

Perfect {001}, three directions cubic

Poor

1.7 Mohs Hardness

2.0-2.56.5-7

2 10

1.8 Chemical Composition

NaCl

(Mg,Fe)₂SiO₄

Halite and Peridot Chemical Formula

While comparing Halite and Peridot 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 Peridot chemical formula.

Chemical formula of Halite- NaCl
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Halite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Halite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Halite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.