Crystal Opal and Mimetite Physical Properties

Crystal Opal

Mimetite

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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

1.97-2.227.10

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[10 1 1] Imperfect

1.7 Mohs Hardness

5.5-6.53.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Crystal Opal and Mimetite Chemical Formula

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

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

Crystal Opal Vs Diopside

Crystal Opal Vs Diaspore

Crystal Opal Vs Dravite

Crystal Opal and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 7.10 whereas that of Mimetite is 7.10.