Lepidocrocite and Howlite Physical Properties

Lepidocrocite

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

42.45-2.58

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect

None

1.7 Mohs Hardness

53-3.5

2 10

1.8 Chemical Composition

Not Available

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

Lepidocrocite and Howlite Chemical Formula

While comparing Lepidocrocite 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 Lepidocrocite 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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Lepidocrocite and Howlite Specific Gravity

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