Apatite and Pyrope Spessartine Physical Properties

Apatite

Pyrope Spessartine

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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

3.16-3.233.62-4.33

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Not Available

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Apatite and Pyrope Spessartine Chemical Formula

While comparing Apatite and Pyrope Spessartine 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 Apatite and Pyrope Spessartine chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Apatite and Pyrope Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Pyrope Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Pyrope Spessartine Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.62-4.33 whereas that of Pyrope Spessartine is 3.62-4.33.