Achroite and Baddeleyite Physical Properties

Achroite

Baddeleyite

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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

2.90-3.405.5-6.0

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

{001} Distinct

1.7 Mohs Hardness

7-7.56.5

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.

ZrO 2Arthur Thomas , Gemstones (2009)

Achroite and Baddeleyite Chemical Formula

While comparing Achroite and Baddeleyite 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 Baddeleyite 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 Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)

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Achroite and Baddeleyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Baddeleyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Baddeleyite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 5.5-6.0 whereas that of Baddeleyite is 5.5-6.0.