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Blue John
Blue John

Super Seven Crystals
Super Seven Crystals



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Blue John
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Super Seven Crystals

Blue John and Super Seven Crystals Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.9
Fibrous
[010] Perfect, [100] Distinct, [011] Distinct
2
Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite

Blue John and Super Seven Crystals Chemical Formula

While comparing Blue John and Super Seven Crystals 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 Blue John and Super Seven Crystals chemical formula.

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Blue John and Super Seven Crystals Specific Gravity

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