Petalite

Vivianite

Petalite Vs Vivianite

Petalite

Vivianite

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Astrology

Origin

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

Southern and central Africa

Color

Colorless, gray, Yellow, White

Blue, Green, Colorless

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

Solubility

insoluble

Durability

Specific Gravity

2.402.64-2.70

1 7.18

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Fracture

Subconchoidal, ConchoidalWalter Schumann, Conchoidal

Cleavage

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

{010} Perfect

Mohs Hardness

6-6.5-9999

2 10

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Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Dispersion

0.010.03

0.005 1

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Transparency

Transparent

Refractive Index

1.502-1.5231.560-1.640

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

0.012-0.0160.054-0.075

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Calmness

Hope

Healing

Emotional healing

Qualities Associated

Peace

Transformation

Petalite Vs Vivianite Fracture

Fracture is an important parameter when you compare Petalite and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Petalite Vs Vivianite 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.

Compare Gems Found In Australia

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Petalite Vs Vivianite Luster

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