Leucophanite and Howlite Physical Properties

Leucophanite

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

Not Available2.45-2.58

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

{???} Good, {???} Good, {???} Distinct

None

1.7 Mohs Hardness

Not Available3-3.5

2 10

1.8 Chemical Composition

Not Available

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

Leucophanite and Howlite Chemical Formula

While comparing Leucophanite 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 Leucophanite and Howlite chemical formula.

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

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Leucophanite and Howlite Specific Gravity

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