London blue topaz

Neptunite

London blue topaz Vs Neptunite

London blue topaz

Neptunite

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1 Astrology

1.1 Origin

Not Available

USA

1.2 Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Black, Red, Brown

1.3 Streak

Not Available

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

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

Not Available3.19-3.23

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

{110} good

2.7 Mohs Hardness

Not Available5-6

2 10

2.8 Chemical Composition

Not Available

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

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

Not Available

x=yellow-orange

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Translucent

3.5 Refractive Index

Not Available1.692-1.734

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

monoclinic

3.8 Birefringence

Not Available0.0294-0.0452

0 0.296

3.9 Clarity

Not Available

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

London blue topaz Vs Neptunite Fracture

Fracture is an important parameter when you compare London blue topaz and Neptunite Physical Properties. It is necessary to understand the significance of these properties, before you compare London blue topaz 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. Neptunite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

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London blue topaz Vs Neptunite Luster

A primary knowledge about London blue topaz 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. Neptunite, on other hand, exhibits Vitreous luster.