Riebeckite and Crocoite Physical Properties

Riebeckite

Crocoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.445.90-6.10

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

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

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.02.5-3

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Crocoite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Crocoite chemical formula.

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

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Riebeckite and Crocoite Specific Gravity

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