Piemontite and Thulite Physical Properties

Piemontite

Thulite

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1 Physical Properties

1.1 Tenacity

Brittle

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

Uneven, Splintery

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[001] good, [100] distinct

Perfect {010} imperfect {100}

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Piemontite and Thulite Chemical Formula

While comparing Piemontite 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 Piemontite and Thulite chemical formula.

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

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Piemontite and Thulite Specific Gravity

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