Elbaite and Spessartine Physical Properties

Elbaite

Spessartine

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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

2.90-3.104.12-4.18

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

ConchoidalArthur Thomas, Conchoidal, Brittle

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

{???} Distinct

1.7 Mohs Hardness

77-7.5

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) More from other references

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

Elbaite and Spessartine Chemical Formula

While comparing Elbaite and Spessartine 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 Elbaite and Spessartine chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Elbaite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.