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Apache Tear
Apache Tear

Black Opal
Black Opal



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Apache Tear
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Black Opal

Apache Tear and Black Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Apache Tear and Black Opal Chemical Formula

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

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Apache Tear and Black Opal Specific Gravity

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