Danburite and Chrome Tourmaline Physical Properties

Danburite

Chrome Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.032.85-3.35

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Poor

3,2

1.7 Mohs Hardness

77-7.5

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Danburite and Chrome Tourmaline Chemical Formula

While comparing Danburite 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 Danburite and Chrome Tourmaline chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael 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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Danburite and Chrome Tourmaline Specific Gravity

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