Peridot and Edenite Physical Properties

Peridot

Edenite

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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

1.54-1.553.05-3.37

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Poor

Good on (110)

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

NaCa2Mg5Si7AlO22(OH)2

Peridot and Edenite Chemical Formula

While comparing Peridot and Edenite 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 Edenite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Peridot and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Edenite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.05-3.37 whereas that of Edenite is 3.05-3.37.