Herderite and Ceylonite Physical Properties

Herderite

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

2.90-3.023.63-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct on {110}

Indistinct

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Ceylonite Chemical Formula

While comparing Herderite 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 Herderite and Ceylonite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Herderite and Ceylonite Specific Gravity

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