Eudialyte and Labradorite Physical Properties

Eudialyte

Labradorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

H 2 SO 4

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-3.002.69-2.72

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Eudialyte and Labradorite Chemical Formula

While comparing Eudialyte and Labradorite 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 Eudialyte and Labradorite chemical formula.

Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Eudialyte and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.