Eudialyte and Fluorite Physical Properties

Eudialyte

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

H₂SO₄

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

2.74-3.003.00-3.25

1 7.18

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Fracture

Uneven

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

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

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

5-5.54

2 10

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Chemical Composition

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

CaF₂

Eudialyte and Fluorite Chemical Formula

While comparing Eudialyte and Fluorite 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 Fluorite 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 Fluorite- CaF₂

Compare Brown Gemstones

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Eudialyte and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eudialyte and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eudialyte and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Eudialyte is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.