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Pumpellyite
Pumpellyite

Danburite
Danburite



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Pumpellyite
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Danburite

Pumpellyite and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.20-3.30
-
Perfect
5-6
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pumpellyite and Danburite Chemical Formula

While comparing Pumpellyite and Danburite 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 Pumpellyite and Danburite chemical formula.

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Pumpellyite and Danburite Specific Gravity

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