Eudialyte and Grandidierite Physical Properties

Eudialyte

Grandidierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

H 2 SO 4

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-3.002.85-3.00

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Eudialyte and Grandidierite Chemical Formula

While comparing Eudialyte and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Brown Gemstones

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Eudialyte and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.