Thomsonite and Spinel Physical Properties

Thomsonite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.25-2.403.64-3.66

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

perfect on {010}; good on {100}

None, but may exhibit slight parting

1.7 Mohs Hardness

5-5.58

2 10

1.8 Chemical Composition

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MgAl₂O₄

Thomsonite and Spinel Chemical Formula

While comparing Thomsonite and Spinel 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 Thomsonite and Spinel chemical formula.

Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spinel- MgAl₂O₄

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Thomsonite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thomsonite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thomsonite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Thomsonite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.