Peridot and Marialite Physical Properties

Peridot

Marialite

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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

1.54-1.552.50

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Poor

Distinct on {100} and {110}

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Peridot and Marialite Chemical Formula

While comparing Peridot and Marialite 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 Marialite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

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Peridot and Marialite Specific Gravity

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