Brazilianite and Adamite Physical Properties

Brazilianite

Adamite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-2.994.32-4.48

1 7.18

1.5 Fracture

Conchoidal, Gems

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

(010) Distinct to good

{101}, good; {010}, poor

1.7 Mohs Hardness

5.53.5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Brazilianite and Adamite Chemical Formula

While comparing Brazilianite and Adamite 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 Adamite 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 Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Green Gemstones

Brazilianite Vs Chlorapatite

Brazilianite Vs Chlorastrolite

Brazilianite Vs Chalcopyrite

Brazilianite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.