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Nuummite
Nuummite

Andalusite
Andalusite



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Nuummite
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Andalusite

Nuummite and Andalusite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.18-3.373.05-3.21
Amber
1 7.18
1.5 Fracture
Conchoidal
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on 210
Good on {110}, poor on {100}
1.7 Mohs Hardness
5.5-67.5
Amber
2 10
1.8 Chemical Composition
Not Available
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Nuummite and Andalusite Chemical Formula

While comparing Nuummite and Andalusite 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 Nuummite and Andalusite chemical formula.

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  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Nuummite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nuummite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nuummite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Nuummite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.