Benitoite and Peridot Physical Properties

Benitoite

Peridot

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble: HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.61-3.681.54-1.55

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal

1.6 Cleavage

[10 1 1] poor

Poor

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Mg,Fe)₂SiO₄

Benitoite and Peridot Chemical Formula

While comparing Benitoite and Peridot 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 Benitoite and Peridot chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Benitoite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.