Eudialyte and Sylvite Physical Properties

Eudialyte

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

H 2 SO 4

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-3.001.993

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Brittle

1.6 Cleavage

Distinct on {0001} imperfect on {11 2 0}

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5-5.52.5

2 10

1.8 Chemical Composition

Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Not Available

Eudialyte and Sylvite Chemical Formula

While comparing Eudialyte and Sylvite 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 Sylvite chemical formula.

Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

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Eudialyte and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 1.993 whereas that of Sylvite is 1.993.