Lepidocrocite and Crystal Opal Physical Properties

Lepidocrocite

Crystal Opal

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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

41.97-2.22

1 7.18

1.5 Fracture

Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

55.5-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Lepidocrocite and Crystal Opal Chemical Formula

While comparing Lepidocrocite and Crystal Opal 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 Lepidocrocite and Crystal Opal chemical formula.

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Lepidocrocite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidocrocite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidocrocite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Lepidocrocite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.