Hurlbutite and Augelite Physical Properties

Hurlbutite

Augelite

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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

2.902.70-2.75

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Hurlbutite and Augelite Chemical Formula

While comparing Hurlbutite and Augelite 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 Augelite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hurlbutite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.