Spessartine and Brucite Physical Properties

Spessartine

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.182.39

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Irregular

1.6 Cleavage

{???} Distinct

Perfect on {0001}

1.7 Mohs Hardness

7-7.52.5

2 10

1.8 Chemical Composition

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

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Spessartine and Brucite Chemical Formula

While comparing Spessartine and Brucite 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 Brucite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

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Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Brucite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.39 whereas that of Brucite is 2.39.