Spessartine and Jade Physical Properties

Spessartine

Jade

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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

4.12-4.182.90-3.38

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

{???} Distinct

1 or 2,2 prismatic.

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Spessartine and Jade Chemical Formula

While comparing Spessartine and Jade 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 Jade chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Red Gemstones

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Spessartine and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Jade Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.90-3.38 whereas that of Jade is 2.90-3.38.