Creedite and Fluorapatite Physical Properties

Creedite

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

2.703.1-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {100}

Indistinct

1.7 Mohs Hardness

4.55

2 10

1.8 Chemical Composition

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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

Creedite and Fluorapatite Chemical Formula

While comparing Creedite 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 Creedite and Fluorapatite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare Colorless Gems

Creedite Vs Diaspore

Creedite Vs Dravite

Creedite Vs Diopside

Creedite and Fluorapatite Specific Gravity

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