Peridot and Zincite Physical Properties

Peridot

Zincite

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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

1.54-1.555.50-5.90

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Poor

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

6.5-74

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Peridot and Zincite Chemical Formula

While comparing Peridot and Zincite 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 Zincite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Peridot and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Zincite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 5.50-5.90 whereas that of Zincite is 5.50-5.90.