Peridot and Crocoite Physical Properties

Peridot

Crocoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.555.90-6.10

1 7.18

1.5 Fracture

Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Poor

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

6.5-72.5-3

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Peridot and Crocoite Chemical Formula

While comparing Peridot and Crocoite 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 Crocoite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Peridot and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.