Andean Opal and Hurlbutite Physical Properties

Andean Opal

Hurlbutite

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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

Not Available2.90

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

Not Available6

2 10

1.8 Chemical Composition

Not Available

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

Andean Opal and Hurlbutite Chemical Formula

While comparing Andean Opal 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 Andean Opal and Hurlbutite chemical formula.

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

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Andean Opal and Hurlbutite Specific Gravity

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