Legrandite and Eosphorite Physical Properties

Legrandite

Eosphorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.98-4.043.05-3.08

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

Imperfect, poor one {100}

Poor on {100}

1.7 Mohs Hardness

4.5-55

2 10

1.8 Chemical Composition

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

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

Legrandite and Eosphorite Chemical Formula

While comparing Legrandite and Eosphorite 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 Legrandite and Eosphorite chemical formula.

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

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Legrandite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.