Heliotrope and Andalusite Physical Properties

Heliotrope

Andalusite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.613.05-3.21

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

6.5-77.5

2 10

1.8 Chemical Composition

Not Available

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

Heliotrope and Andalusite Chemical Formula

While comparing Heliotrope 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 Heliotrope and Andalusite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Green Gemstones

Heliotrope Vs Lehsunia

Heliotrope Vs Amber

Heliotrope Vs Actinolite

Heliotrope and Andalusite Specific Gravity

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