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Petalite
Petalite

Gyrolite
Gyrolite



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Petalite
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Gyrolite

Petalite Vs Gyrolite

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Astrology

Origin

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

Color

Colorless, gray, Yellow, White
White, Colorless, Green, Yellow, Brown

Streak

Colorless
White

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
Brittle

Solubility

insoluble
-

Durability

-
-

Specific Gravity

2.402.48
1 7.18
👆🏻

Fracture

Subconchoidal, ConchoidalWalter Schumann, Conchoidal
Uneven

Cleavage

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

Mohs Hardness

6-6.52
2 10
👆🏻

Chemical Composition

LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaCa16Si23AlO60(OH)8•64(H2O)

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.01-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.502-1.5231.535
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.012-0.0160.0140
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Calmness
Peace

Healing

Emotional healing
Emotional healing

Qualities Associated

Peace
Healing

Petalite Vs Gyrolite Fracture

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

Petalite Vs Gyrolite Luster

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