Almandine and Ceylonite Physical Properties

Almandine

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

3.63-3.9

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

Indistinct

1.7 Mohs Hardness

7-7.5

7.5-8

1.8 Chemical Composition

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

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Almandine and Ceylonite Chemical Formula

While comparing Almandine and Ceylonite 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 Almandine and Ceylonite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Almandine and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.