Eudialyte and Friedelite Physical Properties

Eudialyte

Friedelite

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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

2.74-3.003.06-3.19

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

5-5.54-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Eudialyte and Friedelite Chemical Formula

While comparing Eudialyte and Friedelite 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 Friedelite 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 Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Eudialyte and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.