Crystal Opal and Serandite Physical Properties

Crystal Opal

Serandite

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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

1.97-2.223.52

1 7.18

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

{100} Perfect, {001} Perfect

1.7 Mohs Hardness

5.5-6.55-5.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Crystal Opal and Serandite Chemical Formula

While comparing Crystal Opal and Serandite 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 Serandite chemical formula.

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Yellow Gemstones

Crystal Opal Vs Dravite

Crystal Opal Vs Diopside

Crystal Opal Vs Diaspore

Crystal Opal and Serandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Serandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Serandite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 3.52 whereas that of Serandite is 3.52.