Linarite and Fluorapatite Physical Properties

Linarite

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

5.353.1-3.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Indistinct

1.7 Mohs Hardness

2.55

2 10

1.8 Chemical Composition

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Linarite and Fluorapatite Chemical Formula

While comparing Linarite 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 Linarite and Fluorapatite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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Linarite and Fluorapatite Specific Gravity

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