Achroite and Rutilated Quartz Physical Properties

Achroite

Rutilated Quartz

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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

2.90-3.402.65

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

Indiscernible

1.7 Mohs Hardness

7-7.57

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.

Quartz: SiO₂ Rutile: TiO2

Achroite and Rutilated Quartz Chemical Formula

While comparing Achroite and Rutilated Quartz 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 Rutilated Quartz 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 Rutilated Quartz- Quartz: SiO₂ Rutile: TiO2

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Achroite and Rutilated Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Rutilated Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Rutilated Quartz Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.65 whereas that of Rutilated Quartz is 2.65.