Rossmanite and Adamite Physical Properties

Rossmanite

Adamite

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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

34.32-4.48

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

{101}, good; {010}, poor

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Rossmanite and Adamite Chemical Formula

While comparing Rossmanite 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 Rossmanite and Adamite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Gems Found in America

Rossmanite Vs Serandite

Rossmanite Vs Serpentine

Rossmanite Vs Scolecite

Rossmanite and Adamite Specific Gravity

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