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Chlorastrolite
Chlorastrolite

Eudialyte
Eudialyte



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Chlorastrolite
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Eudialyte

Chlorastrolite and Eudialyte Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
H₂SO₄

Durability

-
-

Specific Gravity

3.1-3.52.74-3.00
1 7.18
👆🏻

Fracture

Granular
Uneven

Cleavage

None
Distinct on {0001} imperfect on {11 2 0}

Mohs Hardness

5-65-5.5
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Chlorastrolite and Eudialyte Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Eudialyte chemical formula.

  • Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Chlorastrolite and Eudialyte Specific Gravity

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