Eudialyte and Caledonite Physical Properties

Eudialyte

Caledonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

H 2 SO 4

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-3.005.6-5.76

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

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

[001] perfect; [100] distinct

1.7 Mohs Hardness

5-5.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Eudialyte and Caledonite Chemical Formula

While comparing Eudialyte and Caledonite 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 Caledonite 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 Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

Eudialyte Vs Fluorite

Eudialyte Vs Franklinite

Eudialyte Vs Fluorapatite

Eudialyte and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.