Goshenite and Howlite Physical Properties

Goshenite

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

2.60-2.90

2.45-2.58

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,1 basal

None

1.7 Mohs Hardness

7.5-8

3-3.5

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Goshenite and Howlite Chemical Formula

While comparing Goshenite 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 Goshenite and Howlite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Goshenite and Howlite Specific Gravity

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