Tanzanite and Eudialyte Physical Properties

Tanzanite

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

Hard

Not Available

1.4 Specific Gravity

3.352.74-3.00

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}, imperfect {100}

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

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Eudialyte Chemical Formula

While comparing Tanzanite 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 Tanzanite and Eudialyte chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
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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Tanzanite and Eudialyte Specific Gravity

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