Plumbogummite and Mellite Physical Properties

Plumbogummite

Mellite

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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

4.0141.58-1.60

1 7.18

1.5 Fracture

Uneven, Conchoidal

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None

{011} Imperfect

1.7 Mohs Hardness

4-52

2 10

1.8 Chemical Composition

Not Available

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Plumbogummite and Mellite Chemical Formula

While comparing Plumbogummite and Mellite 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 Mellite chemical formula.

Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Plumbogummite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.