Agrellite and Crocoite Physical Properties

Agrellite

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

2.885.90-6.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

5.52.5-3

2 10

1.8 Chemical Composition

NaCa2Si4O10F

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

Agrellite and Crocoite Chemical Formula

While comparing Agrellite 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 Agrellite and Crocoite chemical formula.

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

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Agrellite and Crocoite Specific Gravity

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