Rossmanite and Hemimorphite Physical Properties

Rossmanite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

33.30-3.50

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

None

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

Not Available5

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 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rossmanite and Hemimorphite Chemical Formula

While comparing Rossmanite and Hemimorphite 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 Hemimorphite 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 Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found in America

Rossmanite Vs Serandite

Rossmanite Vs Scolecite

Rossmanite Vs Serpentine

Rossmanite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.