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Umbalite
Umbalite

Rosasite
Rosasite



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Umbalite
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Rosasite

Umbalite and Rosasite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.62-4.334-4.2
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Splintery
1.6 Cleavage
Not Available
Perfect on {100} and {010}
1.7 Mohs Hardness
7-7.54
Amber
2 10
1.8 Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Not Available

Umbalite and Rosasite Chemical Formula

While comparing Umbalite and Rosasite 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 Rosasite chemical formula.

  • Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
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Umbalite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 4-4.2 whereas that of Rosasite is 4-4.2.