Tugtupite and Brookite Physical Properties

Tugtupite

Brookite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.603.87-4.14

1 7.18

2.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

{111} Imperfect

Poor on {120}, in traces on {001}

2.7 Mohs Hardness

5.5-65.5-6

2 10

2.11 Chemical Composition

Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tugtupite and Brookite Chemical Formula

While comparing Tugtupite and Brookite 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 Tugtupite and Brookite chemical formula.

Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tugtupite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tugtupite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tugtupite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Tugtupite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.