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Foitite
Foitite

Eudialyte
Eudialyte



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Foitite
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Eudialyte

Foitite and Eudialyte Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
H₂SO₄

Durability

-
-

Specific Gravity

3.172.74-3.00
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

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

Mohs Hardness

75-5.5
2 10
👆🏻

Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Foitite and Eudialyte Chemical Formula

While comparing Foitite 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 Foitite and Eudialyte chemical formula.

  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Foitite and Eudialyte Specific Gravity

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