Mellite and Williamsite Physical Properties

Mellite

Williamsite

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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

1.58-1.602.51-2.63

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

{011} Imperfect

Not Available

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Mellite and Williamsite Chemical Formula

While comparing Mellite and Williamsite 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 Mellite and Williamsite chemical formula.

Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

Mellite Vs Mother of Pearl

Mellite Vs Morion

Mellite Vs Narsarsukite

Mellite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mellite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Mellite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.