Neptunite

Andalusite

Neptunite Vs Andalusite

Neptunite

Andalusite

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Astrology

Origin

USA

Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)

Color

Black, Red, Brown

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red

Streak

Brown, Red

White

For which Rashi?

Planet

Venus

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.19-3.233.05-3.21

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Splintery

Cleavage

{110} good

Good on {110}, poor on {100}

Mohs Hardness

5-67.5

2 10

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Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

x=yellow-orange

strongly trichroic

Dispersion

0.030.02

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

1.692-1.7341.627-1.650

1 3.25

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Optic Character

Crystal System

monoclinic

Orthorhombic

Birefringence

0.0294-0.04520.009-0.010

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Passion

Perception

Healing

Emotional healing

Physical healing

Qualities Associated

Transformation

Self-Realization

Neptunite Vs Andalusite Fracture

Fracture is an important parameter when you compare Neptunite and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Neptunite Vs Andalusite 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 Neptunite is Conchoidal. Andalusite fracture is Uneven, Subconchoidal and Splintery.

Compare Red Gemstones

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Neptunite Vs Rhodolite

Neptunite Vs Rutile

Neptunite Vs Andalusite Luster

A primary knowledge about Neptunite vs Andalusite 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 exhibits Vitreous luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.