Williamsite and Mellite Physical Properties

Williamsite

Mellite

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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

2.51-2.631.58-1.60

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

1.6 Cleavage

Not Available

{011} Imperfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

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

Williamsite and Mellite Chemical Formula

While comparing Williamsite 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 Williamsite and Mellite chemical formula.

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

Compare Green Gemstones

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Williamsite Vs Garnet Malaia

Williamsite and Mellite Specific Gravity

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