Simpsonite and Achroite Physical Properties

Simpsonite

Achroite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.40

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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.

Simpsonite and Achroite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Achroite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
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.

Compare Gems Found In Australia

Simpsonite Vs Thulite

Simpsonite Vs Tektite

Simpsonite Vs Titanite Sphene

Simpsonite and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Simpsonite and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Achroite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.90-3.40 whereas that of Achroite is 2.90-3.40.