Pargasite and Tavorite Physical Properties

Pargasite

Tavorite

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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

3.04-3.263.32

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Not Available

1.6 Cleavage

{110} perfect

{???} Distinct, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

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

LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

Pargasite and Tavorite Chemical Formula

While comparing Pargasite and Tavorite 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 Tavorite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tavorite- LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

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Pargasite and Tavorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Tavorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Tavorite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.32 whereas that of Tavorite is 3.32.