Cassiterite and Eudialyte Physical Properties

Cassiterite

Eudialyte

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

H 2 SO 4

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.74-3.00

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

Distinct on {0001} imperfect on {11 2 0}

1.7 Mohs Hardness

6-75-5.5

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Cassiterite and Eudialyte Chemical Formula

While comparing Cassiterite and Eudialyte 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 Cassiterite and Eudialyte chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

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Cassiterite and Eudialyte Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.