Chlorite group

Petalite

Chlorite group Vs Petalite

Chlorite group

Petalite

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Astrology

Origin

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

Color

Green

Colorless, gray, Yellow, White

Streak

Green, Grey

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

2.6-3.32.40

1 7.18

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Fracture

Lamellar

Subconchoidal, ConchoidalWalter Schumann, Conchoidal

Cleavage

Perfect 001

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

Mohs Hardness

2-2.56-6.5

2 10

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Chemical Composition

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

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

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Refractive Index

1.57-1.671.502-1.523

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.012-0.016

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Calmness

Healing

Emotional healing

Qualities Associated

Cleansing

Peace

Chlorite group Vs Petalite Fracture

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

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Chlorite group Vs Petalite Luster

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