Sard and Mellite Physical Properties

Sard

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

2.58-2.631.58-1.60

1 7.18

1.5 Fracture

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

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

6.5-72

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Mellite Chemical Formula

While comparing Sard 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 Sard and Mellite chemical formula.

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

Compare Blue Gemstones

Sard Vs Sodalite

Sard Vs Sillimanite

Sard Vs Spinel

Sard and Mellite Specific Gravity

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