Nickeline and Fluorapatite Physical Properties

Nickeline

Fluorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.1-3.25

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Indistinct

1.7 Mohs Hardness

5-5.55

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Fluorapatite Chemical Formula

While comparing Nickeline 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 Nickeline and Fluorapatite chemical formula.

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

Compare Red Gemstones

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Nickeline and Fluorapatite Specific Gravity

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