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Coral
Coral

Pollucite
Pollucite



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Coral
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Pollucite

Coral and Pollucite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

2.60-2.702.86-2.94
1 7.18
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Fracture

Irregular
Conchoidal, Uneven

Cleavage

None
None observed

Mohs Hardness

3-46.5-7
2 10
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Chemical Composition

CaCO 3Ulrich Henn and Claudio C.
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Coral and Pollucite Chemical Formula

While comparing Coral and Pollucite 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 Coral and Pollucite chemical formula.

  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Coral and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.