Thulite and Triplite Physical Properties

Thulite

Triplite

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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

3.1

3.85-3.94

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Perfect {010} imperfect {100}

{010} Good, {100} Distinct

1.7 Mohs Hardness

6-7

5-5.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Thulite and Triplite Chemical Formula

While comparing Thulite and Triplite 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 Triplite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Thulite and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Triplite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.85-3.94 whereas that of Triplite is 3.85-3.94.