Eudialyte and Dravite Physical Properties

Eudialyte

Dravite

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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.

3.03-3.18

Uneven, Irregular, Conchoidal

{???} Indistinct

7-7.5

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Eudialyte and Dravite Chemical Formula

While comparing Eudialyte and Dravite 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 Dravite chemical formula.

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Eudialyte and Dravite Specific Gravity

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