Kurnakovite and Howlite Physical Properties

Kurnakovite

Howlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8522.45-2.58

1 7.18

1.5 Fracture

Brittle, Conchoidal

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

1.6 Cleavage

Poor to indistinct on {010}

None

1.7 Mohs Hardness

2-33-3.5

2 10

1.8 Chemical Composition

Not Available

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

Kurnakovite and Howlite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite 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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Kurnakovite and Howlite Specific Gravity

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