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Eudialyte
Eudialyte

Polyhalite
Polyhalite



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Eudialyte
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Polyhalite

Eudialyte and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
H₂SO₄
-
2.74-3.00
Uneven
Distinct on {0001} imperfect on {11 2 0}
5-5.5
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Eudialyte and Polyhalite Chemical Formula

While comparing Eudialyte and Polyhalite 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 Eudialyte and Polyhalite chemical formula.

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Eudialyte and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte Vs Polyhalite during the identification of gemstone. Specific gravity of Eudialyte is whereas that of Polyhalite is .