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Elbaite
Elbaite

Orthoclase
Orthoclase



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Elbaite
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Orthoclase

Elbaite and Orthoclase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.10
2.54-2.61
1.5 Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Gems, Uneven
1.6 Cleavage
Poor/indistinct on {1120} and {1011}
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
1.7 Mohs Hardness
7
6
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 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Orthoclase Chemical Formula

While comparing Elbaite and Orthoclase 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 Orthoclase 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 Orthoclase- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.