Peridot and Agate Opal Physical Properties

Peridot

Agate Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.551.98-2.50

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-75.5-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Peridot and Agate Opal Chemical Formula

While comparing Peridot and Agate Opal 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 Agate Opal chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Peridot and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Peridot is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.