Fluorapatite and Hematite Physical Properties

Fluorapatite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.255.00-5.30

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Indistinct

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Fluorapatite and Hematite Chemical Formula

While comparing Fluorapatite and Hematite 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 Hematite chemical formula.

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

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Fluorapatite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.