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Thomsonite and Lazulite Physical Properties


Lazulite and Thomsonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.25-2.40   
3.04-3.17   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Uneven, Uneven, Gemstones of the world (2001) More from other references   

Cleavage
perfect on {010}; good on {100}   
{001} Indistinct, {???} Indistinct   

Mohs Hardness
5-5.5   
5.5   

Chemical Composition
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references   

Optical Properties >>
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Thomsonite and Lazulite Chemical Formula

While comparing Thomsonite and Lazulite 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 Lazulite chemical formula.

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Thomsonite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thomsonite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thomsonite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Thomsonite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.

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