Boracite and Chrome Tourmaline Physical Properties

Boracite

Chrome Tourmaline

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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

2.95-2.962.85-3.35

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

3,2

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Boracite and Chrome Tourmaline Chemical Formula

While comparing Boracite and Chrome Tourmaline 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 Boracite and Chrome Tourmaline chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Boracite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Boracite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.