Pargasite and Barite Physical Properties

Pargasite

Barite

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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

3.04-3.264.48

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven

1.6 Cleavage

{110} perfect

{010} Perfect, {210} Perfect, {010} Imperfect

1.7 Mohs Hardness

5-63-3.5

2 10

1.8 Chemical Composition

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

BaSO4

Pargasite and Barite Chemical Formula

While comparing Pargasite and Barite 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 Barite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Barite- BaSO4

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Pargasite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Barite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 4.48 whereas that of Barite is 4.48.