Malachite and Eudialyte Physical Properties

Malachite

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

3.25-4.102.74-3.00

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on { 2 01} fair on {010}

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

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Eudialyte Chemical Formula

While comparing Malachite 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 Malachite and Eudialyte chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
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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Malachite and Eudialyte Specific Gravity

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