Fluorapatite and Precious Opal Physical Properties

Fluorapatite

Precious Opal

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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

3.1-3.251.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Fluorapatite and Precious Opal Chemical Formula

While comparing Fluorapatite and Precious Opal 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 Fluorapatite and Precious Opal chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Blue Gemstones

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Fluorapatite Vs Hibonite

Fluorapatite Vs Hackmanite

Fluorapatite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.