Crocoite and Apophyllite Physical Properties

Crocoite

Apophyllite

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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

5.90-6.102.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

2.5-34.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Crocoite and Apophyllite Chemical Formula

While comparing Crocoite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Crocoite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.