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Howlite
Howlite

Tektite
Tektite



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Howlite
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Tektite

Howlite and Tektite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
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1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
2.45-2.582.34-2.51
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Not Available
1.6 Cleavage
None
Not Available
1.7 Mohs Hardness
3-3.5Not Available
Amber
2 10
1.8 Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Howlite and Tektite Chemical Formula

While comparing Howlite and Tektite 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 Howlite and Tektite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Howlite and Tektite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Tektite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 2.34-2.51 whereas that of Tektite is 2.34-2.51.