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Howlite
Howlite

Richterite
Richterite



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Howlite
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Richterite

Howlite and Richterite 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
2.45-2.583.0-3.5
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Brittle
1.6 Cleavage
None
Perfect
1.7 Mohs Hardness
3-3.55-6
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 Richterite Chemical Formula

While comparing Howlite and Richterite 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 Richterite 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 Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Richterite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.0-3.5 whereas that of Richterite is 3.0-3.5.