Thomsonite and Precious Opal Physical Properties

Thomsonite

Precious 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

2.25-2.401.98-2.25

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

perfect on {010}; good on {100}

Not Available

1.7 Mohs Hardness

5-5.55-6.5

2 10

1.8 Chemical Composition

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Thomsonite and Precious Opal Chemical Formula

While comparing Thomsonite and Precious 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 Thomsonite and Precious Opal chemical formula.

Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare White Gemstones

Thomsonite Vs White Opal

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Thomsonite and Precious Opal Specific Gravity

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