Ceylonite and Umbalite Physical Properties

Ceylonite

Umbalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.93.62-4.33

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

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

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Ceylonite and Umbalite Chemical Formula

While comparing Ceylonite and Umbalite 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 Ceylonite and Umbalite chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Ceylonite and Umbalite Specific Gravity

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