Moroxite and Legrandite Physical Properties

Moroxite

Legrandite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.13-3.263.98-4.04

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Imperfect, poor one {100}

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)

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

Moroxite and Legrandite Chemical Formula

While comparing Moroxite 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 Moroxite and Legrandite chemical formula.

Chemical formula of Moroxite- Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Moroxite and Legrandite Specific Gravity

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