Hurlbutite and Agrellite Physical Properties

Hurlbutite

Agrellite

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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

2.902.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

perfect [110]

1.7 Mohs Hardness

65.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Hurlbutite and Agrellite Chemical Formula

While comparing Hurlbutite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Agrellite- NaCa2Si4O10F

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Hurlbutite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.88 whereas that of Agrellite is 2.88.