Fluorapatite and Eudialyte Physical Properties

Fluorapatite

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

3.1-3.252.74-3.00

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct

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

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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

Fluorapatite and Eudialyte Chemical Formula

While comparing Fluorapatite 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 Fluorapatite and Eudialyte chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Fluorapatite and Eudialyte Specific Gravity

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