Grandidierite and Tavorite Physical Properties

Grandidierite

Tavorite

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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

2.85-3.003.32

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect

{???} Distinct, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

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

LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

Grandidierite and Tavorite Chemical Formula

While comparing Grandidierite and Tavorite 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 Tavorite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Tavorite- LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

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Grandidierite and Tavorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Tavorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Tavorite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.32 whereas that of Tavorite is 3.32.