Kyanite

Petalite

Kyanite Vs Petalite

Kyanite

Petalite

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1 Astrology

1.1 Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

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

1.2 Color

Blue, Yellow, Colorless, White, gray, Green, Black

Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus

Not Available

1.5 Planet

Jupiter

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Endurance, Meditation, Love

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

2.2 Solubility

Not Available

insoluble

2.3 Durability

Not Available

2.4 Specific Gravity

3.53-3.652.40

1 7.18

2.5 Fracture

Splintery, Brittle, Metallic

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

2.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

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

2.7 Mohs Hardness

4-76-6.5

2 10

2.8 Chemical Composition

Not Available

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

3 Optical Properties

3.1 Luster

Vitreous, Pearly

3.2 Pleochroism

Trichroic

AbsentWalter Schumann

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.71-1.741.502-1.523

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

monoclinic

3.8 Birefringence

Not Available0.012-0.016

0 0.296

3.9 Clarity

Color grading system

TransparentUlrich Henn and Claudio C. Milisenda

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Kyanite Vs Petalite Fracture

Fracture is an important parameter when you compare Kyanite and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Kyanite 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 Kyanite is Brittle, Metallic and Splintery. Petalite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Subconchoidal.

Compare Blue Gemstones

Kyanite Vs Swiss blue topaz

Kyanite Vs Kashmir sapphire

Kyanite Vs Blue quartz

Kyanite Vs Petalite Luster

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