Legrandite and Jade Physical Properties

Legrandite

Jade

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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

3.98-4.042.90-3.38

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Imperfect, poor one {100}

1 or 2,2 prismatic.

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Legrandite and Jade Chemical Formula

While comparing Legrandite and Jade 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 Jade 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 Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Legrandite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Jade Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.90-3.38 whereas that of Jade is 2.90-3.38.