Poudretteite

Neptunite

Poudretteite Vs Neptunite

Poudretteite

Neptunite

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1 Astrology

1.1 Origin

Canada, Southern and central Africa

USA

1.2 Color

Violet, Colorless, pink

Black, Red, Brown

1.3 Streak

White

Brown, Red

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.51-2.533.19-3.23

1 7.18

2.5 Fracture

Conchoidal, Splintery

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

2.6 Cleavage

None

{110} good

2.7 Mohs Hardness

55-6

2 10

2.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Colorless

x=yellow-orange

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Translucent

3.5 Refractive Index

1.511-1.5321.692-1.734

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

monoclinic

3.8 Birefringence

0.0210.0294-0.0452

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Poudretteite Vs Neptunite Fracture

Fracture is an important parameter when you compare Poudretteite and Neptunite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poudretteite Vs Neptunite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Poudretteite is Conchoidal and Splintery. Neptunite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

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Poudretteite Vs Neptunite Luster

A primary knowledge about Poudretteite vs Neptunite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Poudretteite exhibits Vitreous luster. Neptunite, on other hand, exhibits Vitreous luster.