Gahnospinel and Esperite Physical Properties

Gahnospinel

Esperite

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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

3.65-4.554.28-4.42

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

7.5-85-5.5

2 10

1.8 Chemical Composition

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

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Gahnospinel and Esperite Chemical Formula

While comparing Gahnospinel and Esperite 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 Esperite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Esperite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 4.28-4.42 whereas that of Esperite is 4.28-4.42.