Umbalite and Chambersite Physical Properties

Umbalite

Chambersite

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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

3.62-4.333.50

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.57

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)

Umbalite and Chambersite Chemical Formula

While comparing Umbalite and Chambersite 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 Chambersite 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 Chambersite- Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)

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Umbalite and Chambersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Chambersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Chambersite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 3.50 whereas that of Chambersite is 3.50.