Fluorapatite and Grossular Physical Properties

Fluorapatite

Grossular

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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

3.1-3.253.55-3.73

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Indistinct

none

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fluorapatite and Grossular Chemical Formula

While comparing Fluorapatite and Grossular 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 Grossular chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

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Fluorapatite Vs Hackmanite

Fluorapatite Vs Hibonite

Fluorapatite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.