Hyalite and Crocoite Physical Properties

Hyalite

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

Not Available5.90-6.10

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5.5-6.52.5-3

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Hyalite and Crocoite Chemical Formula

While comparing Hyalite 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 Hyalite and Crocoite chemical formula.

Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hyalite and Crocoite Specific Gravity

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