Hauyne and Legrandite Physical Properties

Hauyne

Legrandite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.53.98-4.04

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Distinct on {110}

Imperfect, poor one {100}

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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

Hauyne and Legrandite Chemical Formula

While comparing Hauyne 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 Hauyne and Legrandite chemical formula.

Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hauyne and Legrandite Specific Gravity

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