Serandite and Crystal Opal Physical Properties

Serandite

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

3.521.97-2.22

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{100} Perfect, {001} Perfect

Not Available

1.7 Mohs Hardness

5-5.55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Serandite and Crystal Opal Chemical Formula

While comparing Serandite 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 Serandite and Crystal Opal chemical formula.

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

Compare Gems Found in America

Serandite Vs Spessartine

Serandite Vs Sodalite

Serandite Vs Smithsonite

Serandite and Crystal Opal Specific Gravity

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