Tinaksite and Achroite Physical Properties

Tinaksite

Achroite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.822.90-3.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect in one direction, indistinct in one direction

Not Available

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

Not Available

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.

Tinaksite and Achroite Chemical Formula

While comparing Tinaksite 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 Tinaksite and Achroite 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.

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Tinaksite and Achroite Specific Gravity

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