Achroite and Hexagonite Physical Properties

Achroite

Hexagonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.402.98-3.03

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Not Available

[110] perfect; [010] distinct

1.7 Mohs Hardness

7-7.55-6

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.

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Achroite and Hexagonite Chemical Formula

While comparing Achroite and Hexagonite 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 Hexagonite 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 Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Gems Found in South Asia

Achroite Vs Apatite

Achroite Vs Apophyllite

Achroite Vs Aquamarine

Achroite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.