Pargasite and Augelite Physical Properties

Pargasite

Augelite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.262.70-2.75

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

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

1.6 Cleavage

{110} perfect

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Pargasite and Augelite Chemical Formula

While comparing Pargasite and Augelite 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 Augelite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Pargasite Vs Prasiolite

Pargasite Vs Prase Opal

Pargasite Vs Powellite

Pargasite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.