Gahnospinel and Spessartine Physical Properties

Gahnospinel

Spessartine

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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

3.65-4.554.12-4.18

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

{???} Distinct

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

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

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Gahnospinel and Spessartine Chemical Formula

While comparing Gahnospinel and Spessartine 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 Spessartine chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Jeremejevite

Gahnospinel and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.