Sunstone and Precious Opal Physical Properties

Sunstone

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

2.62-2.651.98-2.25

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

Not Available

1.7 Mohs Hardness

65-6.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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

Sunstone and Precious Opal Chemical Formula

While comparing Sunstone 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 Sunstone and Precious Opal chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Sunstone and Precious Opal Specific Gravity

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