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Nephrite
Nephrite

Andalusite
Andalusite



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Nephrite
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Andalusite

Nephrite Vs Andalusite

Astrology

Origin

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

Color

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

Streak

-
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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.103.05-3.21
1 7.18
👆🏻

Fracture

Splintery, Granular
Uneven, Subconchoidal, Splintery

Cleavage

None
Good on {110}, poor on {100}

Mohs Hardness

6-6.57.5
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Greasy

Pleochroism

None
strongly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.600-1.6271.627-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0270.009-0.010
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Emotional Balance
Perception

Healing

Physical healing
Physical healing

Qualities Associated

Healing
Self-Realization

Nephrite Vs Andalusite Fracture

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

Nephrite Vs Andalusite Luster

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