Almandine and Eudialyte Physical Properties

Almandine

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

3.95-4.302.74-3.00

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

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

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Almandine and Eudialyte Chemical Formula

While comparing Almandine 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 Almandine and Eudialyte chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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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Almandine and Eudialyte Specific Gravity

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