Alexandrite and Eudialyte Physical Properties

Alexandrite

Eudialyte

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

H 2 SO 4

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.74-3.00

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

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

1.7 Mohs Hardness

8.55-5.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Eudialyte Chemical Formula

While comparing Alexandrite 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 Alexandrite and Eudialyte chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
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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Alexandrite and Eudialyte Specific Gravity

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