Baryte and Howlite Physical Properties

Baryte

Howlite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.3-5

2.45-2.58

1.5 Fracture

Irregular/uneven

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

1.6 Cleavage

Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect

None

1.7 Mohs Hardness

3-3.5

1.8 Chemical Composition

Not Available

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

Baryte and Howlite Chemical Formula

While comparing Baryte 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 Baryte 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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Baryte and Howlite Specific Gravity

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