Pleonaste and Mellite Physical Properties

Pleonaste

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

3.801.58-1.60

1 7.18

1.5 Fracture

Not Available

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,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Mellite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Mellite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste and Mellite Specific Gravity

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