Serpentine and Opal Physical Properties

Serpentine

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

Not Available

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

2.44-2.62

1.98-2.25

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

2.5-5.5

5-6.5

1.8 Chemical Composition

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

SiO₂ · nH₂O

Serpentine and Opal Chemical Formula

While comparing Serpentine and 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 Serpentine and Opal chemical formula.

Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Opal- SiO₂ · nH₂O

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Serpentine and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serpentine and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serpentine and Opal Optical Properties during the identification of gemstone. Specific gravity of Serpentine is 1.98-2.25 whereas that of Opal is 1.98-2.25.