Mellite and Sard Physical Properties

Mellite

Sard

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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

1.58-1.602.58-2.63

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{011} Imperfect

Not Available

1.7 Mohs Hardness

26.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Mellite and Sard Chemical Formula

While comparing Mellite and Sard 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 Sard chemical formula.

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

Compare Brown Gemstones

Mellite Vs Mother of Pearl

Mellite Vs Morion

Mellite Vs Narsarsukite

Mellite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mellite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Sard Optical Properties during the identification of gemstone. Specific gravity of Mellite is 2.58-2.63 whereas that of Sard is 2.58-2.63.