Hurlbutite and Gahnite Physical Properties

Hurlbutite

Gahnite

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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

2.904.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

None

Indistinct parting on [111]

1.7 Mohs Hardness

67.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Hurlbutite and Gahnite Chemical Formula

While comparing Hurlbutite and Gahnite 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 Gahnite chemical formula.

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

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Hurlbutite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.