Nacre and Thulite Physical Properties

Nacre

Thulite

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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

Not Available3.1

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect {010} imperfect {100}

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Nacre and Thulite Chemical Formula

While comparing Nacre and Thulite 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 Nacre and Thulite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Nacre and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nacre and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nacre and Thulite Optical Properties during the identification of gemstone. Specific gravity of Nacre is 3.1 whereas that of Thulite is 3.1.