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Thomsonite
Thomsonite

Dallasite
Dallasite



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Thomsonite
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Dallasite

Thomsonite and Dallasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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2.25-2.40
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perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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2.58-2.91
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6.5-7
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Thomsonite and Dallasite Chemical Formula

While comparing Thomsonite and Dallasite 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 Thomsonite and Dallasite chemical formula.

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Thomsonite and Dallasite Specific Gravity

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