Chrome Diopside and Petalite Physical Properties

Chrome Diopside

Petalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.40

2.40

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

1,2 prismatic.

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

5-6

6-6.5

1.8 Chemical Composition

(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chrome Diopside and Petalite Chemical Formula

While comparing Chrome Diopside and Petalite 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 Diopside and Petalite chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrome Diopside and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Petalite Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 2.40 whereas that of Petalite is 2.40.