Vesuvianite Idocrase and Precious Opal Physical Properties

Vesuvianite Idocrase

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

3.25-3.501.98-2.25

1 7.18

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

Not Available5-6.5

2 10

1.8 Chemical Composition

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

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

Vesuvianite Idocrase and Precious Opal Chemical Formula

While comparing Vesuvianite Idocrase 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 Vesuvianite Idocrase and Precious Opal chemical formula.

Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Vesuvianite Idocrase and Precious Opal Specific Gravity

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