Pargasite and Sphalerite Physical Properties

Pargasite

Sphalerite

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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

3.04-3.263.95-4.10

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

{110} perfect

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Sphalerite Chemical Formula

While comparing Pargasite and Sphalerite 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 Sphalerite chemical formula.

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

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Pargasite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.