Lazulite and Thomsonite Physical Properties

Lazulite

Thomsonite

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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

3.04-3.172.25-2.40

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

{001} Indistinct, {???} Indistinct

perfect on {010}; good on {100}

1.7 Mohs Hardness

5.55-5.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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

Lazulite and Thomsonite Chemical Formula

While comparing Lazulite and Thomsonite 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 Lazulite and Thomsonite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Lazulite and Thomsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Thomsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Thomsonite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.25-2.40 whereas that of Thomsonite is 2.25-2.40.