Zektzerite and Howlite Physical Properties

Zektzerite

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

2.792.45-2.58

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{100} and {010} perfect

None

1.7 Mohs Hardness

63-3.5

2 10

1.8 Chemical Composition

LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.

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

Zektzerite and Howlite Chemical Formula

While comparing Zektzerite 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 Zektzerite and Howlite chemical formula.

Chemical formula of Zektzerite- LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zektzerite and Howlite Specific Gravity

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