Peridot and Mellite Physical Properties

Peridot

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

1.54-1.551.58-1.60

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

{011} Imperfect

1.7 Mohs Hardness

6.5-72

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Mellite Chemical Formula

While comparing Peridot 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 Peridot and Mellite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Semi Precious Gemstones

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Peridot and Mellite Specific Gravity

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