Andalusite and Sanidine Physical Properties

Andalusite

Sanidine

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.05-3.21

Uneven, Subconchoidal, Splintery

Good on {110}, poor on {100}

7.5

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

2.54-2.61

Uneven

{001} Perfect, {010} Good

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Andalusite and Sanidine Chemical Formula

While comparing Andalusite and Sanidine 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 Sanidine chemical formula.

Compare Brown Gemstones

Andalusite Vs Apatite

Andalusite Vs Apophyllite

Andalusite Vs Aragonite

Andalusite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite Vs Sanidine during the identification of gemstone. Specific gravity of Andalusite is whereas that of Sanidine is .