Sapphirine and Achroite Physical Properties

Sapphirine

Achroite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.40-3.58

Conchoidal, Uneven

{010} Perfect

7.5

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

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.

Sapphirine and Achroite Chemical Formula

While comparing Sapphirine and Achroite 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 Sapphirine and Achroite chemical formula.

Compare Green Gemstones

Sapphirine Vs Spodumene

Sapphirine Vs Steatite

Sapphirine Vs Strontianite

Sapphirine and Achroite Specific Gravity

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