Spessartine and Brookite Physical Properties

Spessartine

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

4.12-4.183.87-4.14

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

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

1.6 Cleavage

{???} Distinct

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

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Spessartine and Brookite Chemical Formula

While comparing Spessartine 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 Spessartine and Brookite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine Vs Triplite

Spessartine and Brookite Specific Gravity

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