Thulite and Uvite Physical Properties

Thulite

Uvite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.12.97-3.14

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, Brittle

1.6 Cleavage

Perfect {010} imperfect {100}

{1011} Indistinct

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Thulite and Uvite Chemical Formula

While comparing Thulite and Uvite 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 Thulite and Uvite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Thulite and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Uvite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.97-3.14 whereas that of Uvite is 2.97-3.14.