Pyrargyrite and Fluorapatite Physical Properties

Pyrargyrite

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

5.853.1-3.25

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

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

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Indistinct

1.7 Mohs Hardness

2.5-35

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrargyrite and Fluorapatite Chemical Formula

While comparing Pyrargyrite 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 Pyrargyrite and Fluorapatite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare Black Gemstones

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Pyrargyrite and Fluorapatite Specific Gravity

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