Pargasite and Mellite Physical Properties

Pargasite

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

3.04-3.261.58-1.60

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

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

1.6 Cleavage

{110} perfect

{011} Imperfect

1.7 Mohs Hardness

5-62

2 10

1.8 Chemical Composition

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Pargasite and Mellite Chemical Formula

While comparing Pargasite 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 Pargasite and Mellite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Pargasite Vs Powellite

Pargasite Vs Prasiolite

Pargasite Vs Prase Opal

Pargasite and Mellite Specific Gravity

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