Humite and Gahnospinel Physical Properties

Humite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.323.65-4.55

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor

None, but may exhibit slight parting

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Humite and Gahnospinel Chemical Formula

While comparing Humite 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 Humite and Gahnospinel chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Humite and Gahnospinel Specific Gravity

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