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Umbalite
Umbalite

Celestine
Celestine



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Umbalite
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Celestine

Umbalite and Celestine Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.62-4.333.90-4.00
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Indiscernible
Perfect on {001}, good on {210}, poor on {010}

Mohs Hardness

7-7.53-3.5
2 10
👆🏻

Chemical Composition

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Umbalite and Celestine Chemical Formula

While comparing Umbalite and Celestine 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 Celestine 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 Celestine- SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Umbalite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.