Neptunite

Howlite

Neptunite Vs Howlite

Neptunite

Howlite

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Astrology

Origin

USA

Southern and central Africa

Color

Black, Red, Brown

Blue, Colorless, White

Streak

Brown, Red

White

For which Rashi?

Gemini, Virgo

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Quan Yin

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.19-3.232.45-2.58

1 7.18

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Fracture

Conchoidal

Cleavage

{110} good

None

Mohs Hardness

5-63-3.5

2 10

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Chemical Composition

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

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

x=yellow-orange

Dispersion

0.030.01

0.005 1

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Transparency

Translucent

Refractive Index

1.692-1.7341.583-1.608

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

0.0294-0.04520.019

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Aids in mental clarity and focus

Cardiovascular

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Passion

Calming

Healing

Emotional healing

Qualities Associated

Transformation

Calming

Neptunite Vs Howlite Fracture

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

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Neptunite Vs Howlite Luster

A primary knowledge about Neptunite vs Howlite 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. Howlite, on other hand, exhibits Vitreous luster.