Elbaite and Hauyne Physical Properties

Elbaite

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.102.4-2.5

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven, Conchoidal, Brittle

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Distinct on {110}

1.7 Mohs Hardness

75-6

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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

Elbaite and Hauyne Chemical Formula

While comparing Elbaite and Hauyne 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 Elbaite and Hauyne chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Elbaite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.