Gahnospinel and Andesine Physical Properties

Gahnospinel

Andesine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.552.65-2.69

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None, but may exhibit slight parting

Perfect on {001}, good on {010}

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Gahnospinel and Andesine Chemical Formula

While comparing Gahnospinel and Andesine 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 Andesine chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

Compare Blue Gemstones

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Andesine Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.65-2.69 whereas that of Andesine is 2.65-2.69.