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Super Seven Crystals
Super Seven Crystals

Common Opal
Common Opal



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Super Seven Crystals
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Common Opal

Super Seven Crystals and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.9
Fibrous
[010] Perfect, [100] Distinct, [011] Distinct
2
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Super Seven Crystals and Common Opal Chemical Formula

While comparing Super Seven Crystals and Common 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 Super Seven Crystals and Common Opal chemical formula.

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Super Seven Crystals and Common Opal Specific Gravity

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