Andalusite and Andean Opal Physical Properties

Andalusite

Andean Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.21Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Good on {110}, poor on {100}

Not Available

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Andalusite and Andean Opal Chemical Formula

While comparing Andalusite and Andean Opal 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 Andalusite and Andean Opal chemical formula.

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

Compare Brown Gemstones

Andalusite Vs Augite

Andalusite Vs Baddeleyite

Andalusite Vs Baryte Barite

Andalusite and Andean Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Andean Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Andean Opal Optical Properties during the identification of gemstone. Specific gravity of Andalusite is Not Available whereas that of Andean Opal is Not Available.