Fluor buergerite and Andalusite Physical Properties

Fluor buergerite

Andalusite

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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

3.313.05-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good on {110}, poor on {100}

1.7 Mohs Hardness

Not Available7.5

2 10

1.8 Chemical Composition

NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Fluor buergerite and Andalusite Chemical Formula

While comparing Fluor buergerite and Andalusite 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 Fluor buergerite and Andalusite chemical formula.

Chemical formula of Fluor buergerite- NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Fluor buergerite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluor buergerite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluor buergerite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Fluor buergerite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.