Benitoite and Grandidierite Physical Properties

Benitoite

Grandidierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble: HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.61-3.682.85-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

[10 1 1] poor

Perfect

1.7 Mohs Hardness

6-6.57.5

2 10

1.8 Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Benitoite and Grandidierite Chemical Formula

While comparing Benitoite and Grandidierite 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 Benitoite and Grandidierite chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Violet Gemstones

Benitoite Vs Chrome-Chalcedony

Benitoite Vs Charoite

Benitoite Vs Chrome Tourmaline

Benitoite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.