Brazilianite and Marialite Physical Properties

Brazilianite

Marialite

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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

2.98-2.992.50

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

Distinct on {100} and {110}

1.7 Mohs Hardness

5.55.5-6

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Brazilianite and Marialite Chemical Formula

While comparing Brazilianite and Marialite 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 Brazilianite and Marialite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Brazilianite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 2.50 whereas that of Marialite is 2.50.