Thulite and Brazilianite Physical Properties

Thulite

Brazilianite

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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

3.12.98-2.99

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Gems

1.6 Cleavage

Perfect {010} imperfect {100}

(010) Distinct to good

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Thulite and Brazilianite Chemical Formula

While comparing Thulite and Brazilianite 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 Brazilianite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Thulite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.