Herderite and Gahnospinel Physical Properties

Herderite

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

2.90-3.023.65-4.55

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct on {110}

None, but may exhibit slight parting

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Gahnospinel Chemical Formula

While comparing Herderite 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 Herderite and Gahnospinel chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Herderite and Gahnospinel Specific Gravity

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