Crocoite and Peridot Physical Properties

Crocoite

Peridot

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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

5.90-6.101.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

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

Poor

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Crocoite and Peridot Chemical Formula

While comparing Crocoite 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 Crocoite and Peridot chemical formula.

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

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Crocoite and Peridot Specific Gravity

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