Sonolite and Howlite Physical Properties

Sonolite

Howlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-4.002.45-2.58

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Indistinct

None

1.7 Mohs Hardness

5.53-3.5

2 10

1.8 Chemical Composition

Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

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

Sonolite and Howlite Chemical Formula

While comparing Sonolite 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 Sonolite and Howlite chemical formula.

Chemical formula of Sonolite- Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sonolite and Howlite Specific Gravity

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