Dumortierite and Neptunite Physical Properties

Dumortierite

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

3.26-3.413.19-3.23

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

{110} good

1.7 Mohs Hardness

7-8.55-6

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Neptunite Chemical Formula

While comparing Dumortierite 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 Dumortierite and Neptunite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Leo » More

Dumortierite Vs Aqua Aura

Dumortierite Vs Sunstone

Dumortierite Vs Rhodochrosite

» More

More Compare Gems for Leo

Dumortierite and Neptunite Specific Gravity

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