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Kurnakovite
Kurnakovite

Howlite
Howlite



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Kurnakovite
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Howlite

Kurnakovite and Howlite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.847-1.8522.45-2.58
Amber
1 7.18
1.5 Fracture
Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Poor to indistinct on {010}
None
1.7 Mohs Hardness
2-33-3.5
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

Kurnakovite and Howlite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite 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

Kurnakovite and Howlite Specific Gravity

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