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Nephrite
Nephrite

Sugilite
Sugilite



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Nephrite
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Sugilite

Nephrite Vs Sugilite

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Astrology

Origin

China, Canada
Canada, Southern and central Africa, Italy, Australia, India

Color

Green, Yellow, Brown, White, gray, Black
Violet, Brownish, Yellow, Reddish, Pale pink

Streak

-
White

For which Rashi?

-
Virgo

Planet

-
Mercury, Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.102.69-2.79
1 7.18
👆🏻

Fracture

Splintery, Granular
Conchoidal

Cleavage

None
Poor on {0001}

Mohs Hardness

6-6.55.5-6.5
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

None
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.600-1.6271.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.0270.003
0 0.296
👆🏻

Clarity

Translucent
Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Emotional Balance
Spirituality

Healing

Physical healing
Emotional healing

Qualities Associated

Healing
Spiritual Protection

Nephrite Vs Sugilite Fracture

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

Nephrite Vs Sugilite Luster

A primary knowledge about Nephrite vs Sugilite 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. Nephrite exhibits Vitreous and Greasy luster. Sugilite, on other hand, exhibits Vitreous luster.