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Umbalite
Umbalite

Albite
Albite



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Umbalite
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Albite

Umbalite and Albite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.62-4.332.60-2.65
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
1.6 Cleavage
Not Available
Perfect on {001}, very good on {010}, imperfect on {110}
1.7 Mohs Hardness
7-7.56-6.5
Amber
2 10
1.8 Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Umbalite and Albite Chemical Formula

While comparing Umbalite and Albite 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 Umbalite and Albite chemical formula.

  • Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
  • Chemical formula of Albite- NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Umbalite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Albite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.60-2.65 whereas that of Albite is 2.60-2.65.