Wernerite and Opal Physical Properties

Wernerite

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

2.50-2.801.98-2.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

5-6.55-6.5

2 10

1.8 Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

SiO₂ · nH₂O

Wernerite and Opal Chemical Formula

While comparing Wernerite 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 Wernerite and Opal chemical formula.

Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Chemical formula of Opal- SiO₂ · nH₂O

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Wernerite and Opal Specific Gravity

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