Barite and Howlite Physical Properties

Barite

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

4.482.45-2.58

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

None

1.7 Mohs Hardness

3-3.53-3.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Howlite Chemical Formula

While comparing Barite 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 Barite and Howlite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Barite and Howlite Specific Gravity

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