Purpurite and Pyrope Almandine Physical Properties

Purpurite

Pyrope Almandine

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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

3.2-3.43.62-4.20

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[100] [001] perfect

Not Available

1.7 Mohs Hardness

4-4.57-7.5

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Purpurite and Pyrope Almandine Chemical Formula

While comparing Purpurite and Pyrope Almandine 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 Purpurite and Pyrope Almandine chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Purpurite and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.