Neptunite and Apache Tear Physical Properties

Neptunite

Apache Tear

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.23Not Available

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{110} good

Not Available

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

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

Not Available

Neptunite and Apache Tear Chemical Formula

While comparing Neptunite and Apache Tear 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 Neptunite and Apache Tear chemical formula.

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

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Neptunite and Apache Tear Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Apache Tear Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Apache Tear Optical Properties during the identification of gemstone. Specific gravity of Neptunite is Not Available whereas that of Apache Tear is Not Available.