Eosphorite and Legrandite Physical Properties

Eosphorite

Legrandite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.05-3.083.98-4.04

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Conchoidal

Cleavage

Poor on {100}

Imperfect, poor one {100}

Mohs Hardness

54.5-5

2 10

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Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Eosphorite and Legrandite Chemical Formula

While comparing Eosphorite and Legrandite 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 Eosphorite and Legrandite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eosphorite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.