Peridot and Milk Opal Physical Properties

Peridot

Milk 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

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

Not Available

Peridot and Milk Opal Chemical Formula

While comparing Peridot and Milk 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 Milk Opal chemical formula.

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

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Peridot and Milk Opal Specific Gravity

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