Hurlbutite and Fluorapatite Physical Properties

Hurlbutite

Fluorapatite

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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

2.903.1-3.25

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

None

Indistinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Hurlbutite and Fluorapatite Chemical Formula

While comparing Hurlbutite and Fluorapatite 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 Fluorapatite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Hurlbutite Vs Lizardite

Hurlbutite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.