Achroite and Sanidine Physical Properties

Achroite

Sanidine

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.402.54-2.61

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

{001} Perfect, {010} Good

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Achroite and Sanidine Chemical Formula

While comparing Achroite 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 Achroite and Sanidine chemical formula.

Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found in South Asia

Achroite Vs Apophyllite

Achroite Vs Aquamarine

Achroite Vs Apatite

Achroite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.