Pearl

Petalite

Pearl Vs Petalite

Pearl

Petalite

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1 Astrology

1.1 Origin

Australia

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

1.2 Color

Green, Blue

Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Cancer, Gemini, Cancer, Gemini, Cancer, Gemini

Not Available

1.5 Planet

Moon

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

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Love, Money

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

insoluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.60-2.852.40

1 7.18

2.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

2.6 Cleavage

none

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

2.7 Mohs Hardness

2.5-4.56-6.5

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

Pearly

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

3.3 Dispersion

None0.01

0.007 1

3.4 Transparency

Translucent, Opaque

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.52-1.661.502-1.523

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.1560.012-0.016

0 0.296

3.9 Clarity

Translucent

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

Pearl Vs Petalite Fracture

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

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Pearl Vs Petalite Luster

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