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Black Opal
Black Opal

Apache Tear
Apache Tear



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Black Opal
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Apache Tear

Black Opal and Apache Tear Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
-9999
Conchoidal
None
5-5.5
-

Black Opal and Apache Tear Chemical Formula

While comparing Black 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 Black Opal and Apache Tear chemical formula.

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Black Opal and Apache Tear Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Apache Tear Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal Vs Apache Tear during the identification of gemstone. Specific gravity of Black Opal is whereas that of Apache Tear is .