Moldavite and Neptunite Physical Properties

Moldavite

Neptunite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.32-2.383.19-3.23

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

{110} good

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Moldavite and Neptunite Chemical Formula

While comparing Moldavite and Neptunite 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 Moldavite and Neptunite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Aquarius

Moldavite Vs Rhyolite

Moldavite Vs Albite

Moldavite Vs Aquamarine

Moldavite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.