Elbaite and Microcline Physical Properties

Elbaite

Microcline

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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

2.90-3.102.55-2.63

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

{001} Perfect, {010} Good

1.7 Mohs Hardness

76-6.5

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

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Elbaite and Microcline Chemical Formula

While comparing Elbaite and Microcline 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 Microcline 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 Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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Elbaite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.