Esperite and Gahnospinel Physical Properties

Esperite

Gahnospinel

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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

4.28-4.423.65-4.55

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

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

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

Esperite and Gahnospinel Chemical Formula

While comparing Esperite and Gahnospinel 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 Esperite and Gahnospinel chemical formula.

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

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Esperite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.