Glaucophane and Elbaite Physical Properties

Glaucophane

Elbaite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.90-3.10

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Good on [110] and on [001]

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

6.0-6.57

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Elbaite Chemical Formula

While comparing Glaucophane and Elbaite 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 Glaucophane and Elbaite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
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

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Glaucophane and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.