Grandidierite and Kurnakovite Physical Properties

Grandidierite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.001.847-1.852

1 7.18

1.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Brittle, Conchoidal

1.6 Cleavage

Perfect

Poor to indistinct on {010}

1.7 Mohs Hardness

7.52-3

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Not Available

Grandidierite and Kurnakovite Chemical Formula

While comparing Grandidierite and Kurnakovite 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 Grandidierite and Kurnakovite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Grandidierite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.