Tinzenite and Andalusite Physical Properties

Tinzenite

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

3.355-3.4333.05-3.21

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Good, {???} Good

Good on {110}, poor on {100}

1.7 Mohs Hardness

Not Available7.5

2 10

1.8 Chemical Composition

(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

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

Tinzenite and Andalusite Chemical Formula

While comparing Tinzenite 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 Tinzenite and Andalusite chemical formula.

Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)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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Tinzenite and Andalusite Specific Gravity

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