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Fuchsite
Fuchsite

Howlite
Howlite



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Fuchsite
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Howlite

Fuchsite 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
2.77-2.882.45-2.58
Amber
1 7.18
1.5 Fracture
Uneven
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Perfect basal
None
1.7 Mohs Hardness
2.53-3.5
Amber
2 10
1.8 Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fuchsite and Howlite Chemical Formula

While comparing Fuchsite 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 Fuchsite and Howlite chemical formula.

  • Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
  • Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fuchsite and Howlite Specific Gravity

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