Poudretteite and Hurlbutite Physical Properties

Poudretteite

Hurlbutite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.532.90

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Hurlbutite Chemical Formula

While comparing Poudretteite and Hurlbutite 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 Poudretteite and Hurlbutite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Poudretteite Vs Rubellite

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.90 whereas that of Hurlbutite is 2.90.