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Gahnite
Gahnite

Eudialyte
Eudialyte



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Gahnite
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Eudialyte

Gahnite and Eudialyte Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
H₂SO₄

Durability

-
-

Specific Gravity

4.00-4.622.74-3.00
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven

Cleavage

Indistinct parting on [111]
Distinct on {0001} imperfect on {11 2 0}

Mohs Hardness

7.5-85-5.5
2 10
👆🏻

Chemical Composition

ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Gahnite and Eudialyte Chemical Formula

While comparing Gahnite 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 Gahnite and Eudialyte chemical formula.

  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Gahnite and Eudialyte Specific Gravity

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