Schorl and Ceylonite Physical Properties

Schorl

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

3.18-3.223.63-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{1011} Indistinct

Indistinct

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Schorl and Ceylonite Chemical Formula

While comparing Schorl 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 Schorl and Ceylonite chemical formula.

Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Compare Black Gemstones

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Schorl and Ceylonite Specific Gravity

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