Rosasite and Mellite Physical Properties

Rosasite

Mellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.21.58-1.60

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

{011} Imperfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Mellite Chemical Formula

While comparing Rosasite 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 Rosasite and Mellite chemical formula.

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

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Rosasite and Mellite Specific Gravity

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