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Shungite
Shungite

Howlite
Howlite



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Shungite
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Howlite

Shungite and Howlite Physical Properties

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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
Not Available2.45-2.58
Amber
1 7.18
1.5 Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
Not Available3-3.5
Amber
2 10
1.8 Chemical Composition
Not Available
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Shungite and Howlite Chemical Formula

While comparing Shungite and Howlite 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 Shungite and Howlite chemical formula.

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  • Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Shungite and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shungite and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shungite and Howlite Optical Properties during the identification of gemstone. Specific gravity of Shungite is 2.45-2.58 whereas that of Howlite is 2.45-2.58.