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Thomsonite
Thomsonite

Pleonaste
Pleonaste



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Thomsonite
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Pleonaste

Thomsonite and Pleonaste Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.25-2.403.80
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
perfect on {010}; good on {100}
Not Available
1.7 Mohs Hardness
5-5.58
Amber
2 10
1.8 Chemical Composition
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Thomsonite and Pleonaste Chemical Formula

While comparing Thomsonite and Pleonaste 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 Pleonaste chemical formula.

  • Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Thomsonite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thomsonite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thomsonite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Thomsonite is 3.80 whereas that of Pleonaste is 3.80.