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Pearl
Pearl

Rock Crystal
Rock Crystal



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X
Pearl
X
Rock Crystal

Pearl and Rock Crystal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.85
-
none
2.5-4.5
CaCO3
 
-
-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)

Pearl and Rock Crystal Chemical Formula

While comparing Pearl 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 Pearl and Rock Crystal chemical formula.

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Pearl and Rock Crystal Specific Gravity

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