Howlite and Fuchsite Physical Properties

Howlite

Fuchsite

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1 Physical Properties

1.2 Tenacity

Not Available

1.3 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

2.45-2.582.77-2.88

1 7.18

1.9 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven

1.10 Cleavage

None

Perfect basal

1.11 Mohs Hardness

3-3.52.5

2 10

1.12 Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Howlite and Fuchsite Chemical Formula

While comparing Howlite and Fuchsite 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 Fuchsite chemical formula.

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

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Howlite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.