Eudialyte and Malachite Physical Properties

Eudialyte

Malachite

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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

2.74-3.003.25-4.10

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

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

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Eudialyte and Malachite Chemical Formula

While comparing Eudialyte and Malachite 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 Malachite 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 Malachite- Cu₂CO₃(OH)₂

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Eudialyte and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Malachite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 3.25-4.10 whereas that of Malachite is 3.25-4.10.