Fluorapatite and Crystal Opal Physical Properties

Fluorapatite

Crystal 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

3.1-3.251.97-2.22

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Fluorapatite and Crystal Opal Chemical Formula

While comparing Fluorapatite and Crystal 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 Crystal Opal chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Fluorapatite Vs Heliodor Golden Beryl

Fluorapatite Vs Hackmanite

Fluorapatite Vs Hibonite

Fluorapatite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.