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Topaz
Topaz

Crocoite
Crocoite



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Topaz
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Crocoite

Topaz and Crocoite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2
 
-
-
-
5.90-6.10
Conchoidal
{110} Distinct, {001} Indistinct, {100} Indistinct
2.5-3
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Topaz and Crocoite Chemical Formula

While comparing Topaz 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 Topaz and Crocoite chemical formula.

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Topaz and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz Vs Crocoite during the identification of gemstone. Specific gravity of Topaz is whereas that of Crocoite is .