Sphalerite and Eudialyte Physical Properties

Sphalerite

Eudialyte

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Physical Properties

Tenacity

Brittle

Solubility

H₂SO₄

Durability

Specific Gravity

3.95-4.102.74-3.00

1 7.18

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Fracture

Uneven

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

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

Mohs Hardness

3.5-45-5.5

2 10

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Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sphalerite and Eudialyte Chemical Formula

While comparing Sphalerite 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 Sphalerite and Eudialyte chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Sphalerite and Eudialyte Specific Gravity

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