Umbalite and Narsarsukite Physical Properties

Umbalite

Narsarsukite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-4.332.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

Good on {100} and {110}

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Umbalite and Narsarsukite Chemical Formula

While comparing Umbalite and Narsarsukite 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 Narsarsukite 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 Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Umbalite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.