Crocoite and Pectolite Physical Properties

Crocoite

Pectolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.90-6.102.74-2.90

1 7.18

1.5 Fracture

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

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Crocoite and Pectolite Chemical Formula

While comparing Crocoite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Crocoite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.