Piemontite and Hurlbutite Physical Properties

Piemontite

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

Not Available2.90

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

None

1.7 Mohs Hardness

6-6.56

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Hurlbutite Chemical Formula

While comparing Piemontite 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 Piemontite and Hurlbutite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Piemontite and Hurlbutite Specific Gravity

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