Spessartine and Caledonite Physical Properties

Spessartine

Caledonite

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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

4.12-4.185.6-5.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

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

1.6 Cleavage

{???} Distinct

[001] perfect; [100] distinct

1.7 Mohs Hardness

7-7.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Spessartine and Caledonite Chemical Formula

While comparing Spessartine and Caledonite 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 Caledonite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine Vs Triplite

Spessartine and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.