Opal and Apache Tear Physical Properties

Opal

Apache Tear

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1 Physical Properties

1.1 Tenacity

BrittleWalter Schumann

Not Available

1.2 Solubility

hot salt water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.25Not Available

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5-6.55-5.5

2 10

1.8 Chemical Composition

SiO₂ · nH₂O

Not Available

Opal and Apache Tear Chemical Formula

While comparing 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 Opal and Apache Tear chemical formula.

Chemical formula of Opal- SiO₂ · nH₂O

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Opal and Apache Tear Specific Gravity

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