Peridot and Elbaite Physical Properties

Peridot

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

1.54-1.55

Conchoidal

Poor

6.5-7

(Mg,Fe)₂SiO₄

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Peridot and Elbaite Chemical Formula

While comparing Peridot and Elbaite 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 Elbaite chemical formula.

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Peridot and Elbaite Specific Gravity

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