Herderite and Eudialyte Physical Properties

Herderite

Eudialyte

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Physical Properties

Tenacity

Brittle

Solubility

H₂SO₄

Durability

Specific Gravity

2.90-3.022.74-3.00

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven

Cleavage

Indistinct on {110}

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

Mohs Hardness

5-5.55-5.5

2 10

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Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Eudialyte Chemical Formula

While comparing Herderite 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 Herderite and Eudialyte chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Compare Colorless Gems

Herderite Vs Orthoclase

Herderite Vs Pectolite

Herderite Vs Phenakite

Herderite and Eudialyte Specific Gravity

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