Stichtite and Brookite Physical Properties

Stichtite

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

2.11-2.203.87-4.14

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Stichtite and Brookite Chemical Formula

While comparing Stichtite 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 Stichtite and Brookite chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael 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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Stichtite and Brookite Specific Gravity

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