Strontianite and Precious Opal Physical Properties

Strontianite

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

3.63-3.791.98-2.25

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{110} Good

Not Available

1.7 Mohs Hardness

3.55-6.5

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Precious Opal Chemical Formula

While comparing Strontianite 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 Strontianite and Precious Opal chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Strontianite and Precious Opal Specific Gravity

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