Gaspeite and Howlite Physical Properties

Gaspeite

Howlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.712.45-2.58

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{10 1 1} Good

None

1.7 Mohs Hardness

4.5-53-3.5

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

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

Gaspeite and Howlite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Howlite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Gaspeite and Howlite Specific Gravity

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