Peridot and Quartz Physical Properties

Peridot

Quartz

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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

1.54-1.552.65

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

Poor

{0110} Indistinct

1.7 Mohs Hardness

6.5-77

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

SiO₂

Peridot and Quartz Chemical Formula

While comparing Peridot and Quartz 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 Quartz chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Quartz- SiO₂

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Peridot and Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Quartz Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.65 whereas that of Quartz is 2.65.