Pargasite and Celestine Physical Properties

Pargasite

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.263.90-4.00

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{110} perfect

Perfect on {001}, good on {210}, poor on {010}

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)

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Celestine Chemical Formula

While comparing Pargasite and Celestine 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 Celestine chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pargasite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.