Simpsonite and Crocoite Physical Properties

Simpsonite

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

Not Available5.90-6.10

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.52.5-3

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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

Simpsonite and Crocoite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Crocoite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Simpsonite and Crocoite Specific Gravity

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