Prasiolite and Eudialyte Physical Properties

Prasiolite

Eudialyte

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

H 2 SO 4

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.74-3.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

75-5.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Eudialyte Chemical Formula

While comparing Prasiolite 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 Prasiolite and Eudialyte chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
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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Prasiolite and Eudialyte Specific Gravity

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