Legrandite and Serpentine Physical Properties

Legrandite

Serpentine

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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

3.98-4.042.44-2.62

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Imperfect, poor one {100}

Not Available

1.7 Mohs Hardness

4.5-52.5-5.5

2 10

1.8 Chemical Composition

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

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Legrandite and Serpentine Chemical Formula

While comparing Legrandite and Serpentine 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 Serpentine 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 Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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Legrandite and Serpentine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Serpentine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Serpentine Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.44-2.62 whereas that of Serpentine is 2.44-2.62.