Gahnospinel and Agrellite Physical Properties

Gahnospinel

Agrellite

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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

3.65-4.552.88

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

perfect [110]

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Gahnospinel and Agrellite Chemical Formula

While comparing Gahnospinel and Agrellite 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 Agrellite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Agrellite- NaCa2Si4O10F

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Gahnospinel and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.88 whereas that of Agrellite is 2.88.