Astrophyllite and Chrome Diopside Physical Properties

Astrophyllite

Chrome Diopside

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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

3.2-3.43.22-3.40

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on [001] imperfect on [100]

1,2 prismatic.

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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

Astrophyllite and Chrome Diopside Chemical Formula

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

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

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Astrophyllite and Chrome Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Chrome Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Chrome Diopside Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 3.22-3.40 whereas that of Chrome Diopside is 3.22-3.40.