Common Opal and Apache Tear Physical Properties

Common Opal

Apache Tear

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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

1.98-2.50Not Available

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5.5-6.55-5.5

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Not Available

Common Opal and Apache Tear Chemical Formula

While comparing Common Opal and Apache Tear 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 Common Opal and Apache Tear chemical formula.

Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

Common Opal Vs Dravite

Common Opal Vs Dumortierite

Common Opal Vs Diamond

Common Opal and Apache Tear Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal and Apache Tear Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Apache Tear Optical Properties during the identification of gemstone. Specific gravity of Common Opal is Not Available whereas that of Apache Tear is Not Available.