Peridot and Kyanite Physical Properties

Peridot

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.553.53-3.65

1 7.18

1.5 Fracture

Conchoidal

Splintery, Brittle, Metallic

1.6 Cleavage

Poor

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

6.5-74-7

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Not Available

Peridot and Kyanite Chemical Formula

While comparing Peridot and Kyanite 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 Peridot and Kyanite chemical formula.

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

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Peridot and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.