Eudialyte and Ludlamite Physical Properties

Eudialyte

Ludlamite

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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

2.74-3.003.1-3.2

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Vitreous, pearly on cleavage

1.7 Mohs Hardness

5-5.53-4

2 10

1.8 Chemical Composition

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

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Eudialyte and Ludlamite Chemical Formula

While comparing Eudialyte and Ludlamite 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 Ludlamite 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 Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eudialyte and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.