Crocoite and Bytownite Physical Properties

Crocoite

Bytownite

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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

5.90-6.10

2.72-2.75

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on [001], good on [010], imperfect on [110]

1.7 Mohs Hardness

2.5-3

6-6.5

1.8 Chemical Composition

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

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Crocoite and Bytownite Chemical Formula

While comparing Crocoite and Bytownite 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 Bytownite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Crocoite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.