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Simpsonite
Simpsonite

Crocoite
Crocoite



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Simpsonite and Crocoite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available
5.90-6.10
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
7-7.5
2.5-3
1.8 Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
PbCrO 4Michael O’Donoghue , 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 O’Donoghue , Gems, Sixth Edition (2006) More from other references

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.