Kunzite and Howlite Physical Properties

Kunzite

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

3.15-3.21

2.45-2.58

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

None

1.7 Mohs Hardness

6-7

3-3.5

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Howlite Chemical Formula

While comparing Kunzite 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 Kunzite and Howlite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kunzite and Howlite Specific Gravity

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