Spessartine and Franklinite Physical Properties

Spessartine

Franklinite

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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

4.12-4.185.05-5.22

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

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

1.6 Cleavage

{???} Distinct

None

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

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

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Spessartine and Franklinite Chemical Formula

While comparing Spessartine and Franklinite 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 Franklinite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.