Peridot and Coral Physical Properties

Peridot

Coral

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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

1.54-1.552.60-2.70

1 7.18

1.5 Fracture

Conchoidal

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-73-4

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

CaCO 3Ulrich Henn and Claudio C.

Peridot and Coral Chemical Formula

While comparing Peridot and Coral 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 Coral chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Peridot and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Coral Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.60-2.70 whereas that of Coral is 2.60-2.70.