Jacobsite and Crocoite Physical Properties

Jacobsite

Crocoite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

4.76-5.035.90-6.10

1 7.18

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Fracture

Conchoidal

Cleavage

None

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

Mohs Hardness

5.5-6.52.5-3

2 10

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Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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

Jacobsite and Crocoite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Crocoite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Jacobsite Vs Povondraite

Jacobsite Vs Sonolite

Jacobsite Vs Staurolite

Jacobsite and Crocoite Specific Gravity

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