Kunzite and Umbalite Physical Properties

Kunzite

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

3.15-3.21

3.62-4.33

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

Not Available

1.7 Mohs Hardness

6-7

7-7.5

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Umbalite Chemical Formula

While comparing Kunzite 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 Kunzite and Umbalite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Kunzite and Umbalite Specific Gravity

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