Crocoite and Agrellite Physical Properties

Crocoite

Agrellite

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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

5.90-6.102.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

perfect [110]

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Crocoite and Agrellite Chemical Formula

While comparing Crocoite and Agrellite 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 Crocoite and Agrellite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Agrellite- NaCa2Si4O10F

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Crocoite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 2.88 whereas that of Agrellite is 2.88.