Grandidierite and Strontianite Physical Properties

Grandidierite

Strontianite

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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

2.85-3.003.63-3.79

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect

{110} Good

1.7 Mohs Hardness

7.53.5

2 10

1.8 Chemical Composition

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

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Grandidierite and Strontianite Chemical Formula

While comparing Grandidierite and Strontianite 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 Strontianite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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Grandidierite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.