Plumbogummite and Thulite Physical Properties

Plumbogummite

Thulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0143.1

1 7.18

1.5 Fracture

Uneven, Conchoidal

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Perfect {010} imperfect {100}

1.7 Mohs Hardness

4-56-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Plumbogummite and Thulite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Thulite chemical formula.

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

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Plumbogummite and Thulite Specific Gravity

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