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Howlite
Howlite

Weloganite
Weloganite



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Howlite
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Weloganite

Howlite and Weloganite 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
2.45-2.583.20-3.22
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Brittle
1.6 Cleavage
None
Perfect on pseudo {0001}
1.7 Mohs Hardness
3-3.53
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 Weloganite Chemical Formula

While comparing Howlite and Weloganite 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 Weloganite 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 Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.