Kornerupine

Petalite

Kornerupine Vs Petalite

Kornerupine

Petalite

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Astrology

Origin

Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia

Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia

Color

Green, Brown, Colorless, Greenish, Yellow

Colorless, gray, Yellow, White

Streak

White

Colorless

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.25-3.452.40

1 7.18

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Fracture

Conchoidal, Uneven

Subconchoidal, ConchoidalWalter Schumann, Conchoidal

Cleavage

Good on {110}

Perfect on {001}, poor on {201} with 38.5° angle between the two

Mohs Hardness

6.56-6.5

2 10

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Chemical Composition

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

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

X = colorless to green; Y = colorless

Dispersion

0.020.01

0.005 1

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Transparency

Refractive Index

1.660-1.6851.502-1.523

1 3.25

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Optic Character

Crystal System

Orthorhombic

monoclinic

Birefringence

0.012-0.0170.012-0.016

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Calmness

Healing

Emotional healing

Qualities Associated

Self-worth

Peace

Kornerupine Vs Petalite Fracture

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

Compare Green Gemstones

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Kornerupine Vs Petalite Luster

A primary knowledge about Kornerupine vs Petalite 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. Kornerupine exhibits Vitreous luster. Petalite, on other hand, exhibits Vitreous and Pearly luster.