Peridot and Natrolite Physical Properties

Peridot

Natrolite

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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

1.54-1.552.20-2.26

1 7.18

1.5 Fracture

Conchoidal

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

Poor

Perfect on {110}

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Peridot and Natrolite Chemical Formula

While comparing Peridot and Natrolite 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 Natrolite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Peridot and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.