Gahnospinel and Pyrophyllite Physical Properties

Gahnospinel

Pyrophyllite

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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

3.65-4.552.65-2.90

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

None, but may exhibit slight parting

{001} Perfect

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gahnospinel and Pyrophyllite Chemical Formula

While comparing Gahnospinel and Pyrophyllite 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 Gahnospinel and Pyrophyllite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.