Hurlbutite and Pargasite Physical Properties

Hurlbutite

Pargasite

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1 Physical Properties

2.1 Tenacity

Not Available

2.4 Solubility

Not Available

2.7 Durability

Not Available

2.10 Specific Gravity

2.903.04-3.26

1 7.18

2.17 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Splintery, Brittle, Uneven

2.18 Cleavage

None

{110} perfect

2.19 Mohs Hardness

65-6

2 10

2.20 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hurlbutite and Pargasite Chemical Formula

While comparing Hurlbutite and Pargasite 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 Hurlbutite and Pargasite chemical formula.

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

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Hurlbutite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.