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Alexandrite
Alexandrite

Kornerupine
Kornerupine



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X
Alexandrite
X
Kornerupine

Alexandrite Vs Kornerupine

Astrology

Origin

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia

Color

Green
Green, Brown, Colorless, Greenish, Yellow

Streak

-
White

For which Rashi?

Scorpio
-

Planet

Venus
-

Element of Planets

Earth
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.813.25-3.45
1 7.18
👆🏻

Fracture

-
Conchoidal, Uneven

Cleavage

1,1 ; 3,2.
Good on {110}

Mohs Hardness

8.56.5
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
X = colorless to green; Y = colorless

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to nearly opaque
-

Refractive Index

1.739-1.7701.660-1.685
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.007-0.0100.012-0.017
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Aids in grounding and protection
-

Respiratory

Excellent
-

Reproductive

Supports reproductive health
-

Digestive

-
-

Psychology

Transformation
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Self-worth

Alexandrite Vs Kornerupine Fracture

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

Alexandrite Vs Kornerupine Luster

A primary knowledge about Alexandrite vs Kornerupine 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. Alexandrite exhibits Vitreous luster. Kornerupine, on other hand, exhibits Vitreous luster.