Goshenite and Umbalite Physical Properties

Goshenite

Umbalite

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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

2.60-2.90

3.62-4.33

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,1 basal

Not Available

1.7 Mohs Hardness

7.5-8

7-7.5

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Goshenite and Umbalite Chemical Formula

While comparing Goshenite and Umbalite 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 Goshenite and Umbalite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Goshenite and Umbalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.