Pezzottaite and Fluorapatite Physical Properties

Pezzottaite

Fluorapatite

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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

2.90-3.143.1-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Imperfect; basal

Indistinct

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Fluorapatite Chemical Formula

While comparing Pezzottaite 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 Pezzottaite and Fluorapatite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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Pezzottaite and Fluorapatite Specific Gravity

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