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Helenite
Helenite

Fluorapatite
Fluorapatite



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Helenite
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Fluorapatite

Helenite and Fluorapatite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3.1-3.25
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Not Available
Indistinct
1.7 Mohs Hardness
Not Available5
Amber
2 10
1.8 Chemical Composition
Not Available
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Helenite and Fluorapatite Chemical Formula

While comparing Helenite 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 Helenite and Fluorapatite chemical formula.

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  • Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Helenite and Fluorapatite Specific Gravity

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