Turquoise and Eudialyte Physical Properties

Turquoise

Eudialyte

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

H 2 SO 4

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.902.74-3.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good to perfect_usually N/A

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

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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

Turquoise and Eudialyte Chemical Formula

While comparing Turquoise 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 Turquoise and Eudialyte chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
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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Turquoise and Eudialyte Specific Gravity

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