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Apophyllite
Apophyllite

Rock Crystal
Rock Crystal



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Apophyllite
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Rock Crystal

Apophyllite and Rock Crystal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30-2.50
Uneven
Perfect on (001)
4.5-5
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
 
-
-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)

Apophyllite and Rock Crystal Chemical Formula

While comparing Apophyllite and Rock Crystal 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 Apophyllite and Rock Crystal chemical formula.

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Apophyllite and Rock Crystal Specific Gravity

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