Chrome Tourmaline and Howlite Physical Properties

Chrome Tourmaline

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

2.85-3.352.45-2.58

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,2

None

1.7 Mohs Hardness

7-7.53-3.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

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

Chrome Tourmaline and Howlite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Howlite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrome Tourmaline and Howlite Specific Gravity

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