Gahnospinel and Thulite Physical Properties

Gahnospinel

Thulite

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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

3.65-4.553.1

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None, but may exhibit slight parting

Perfect {010} imperfect {100}

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Gahnospinel and Thulite Chemical Formula

While comparing Gahnospinel and Thulite 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 Thulite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

Compare Blue Gemstones

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Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Jeremejevite

Gahnospinel and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Thulite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.1 whereas that of Thulite is 3.1.