Crocoite and Bustamite Physical Properties

Crocoite

Bustamite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

5.90-6.103.32-3.43

1 7.18

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Fracture

Conchoidal

Cleavage

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

{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

2.5-35.5-6

2 10

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Chemical Composition

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

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Crocoite and Bustamite Chemical Formula

While comparing Crocoite and Bustamite 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 Bustamite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

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Crocoite Vs Hexagonite

Crocoite Vs Imperial Topaz

Crocoite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.