Peridot and Piemontite Physical Properties

Peridot

Piemontite

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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

1.54-1.55Not Available

1 7.18

1.5 Fracture

Conchoidal

Uneven, Splintery

1.6 Cleavage

Poor

[001] good, [100] distinct

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Not Available

Peridot and Piemontite Chemical Formula

While comparing Peridot and Piemontite 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 Piemontite chemical formula.

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

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Peridot and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Peridot is Not Available whereas that of Piemontite is Not Available.