Sugilite

Petalite

Sugilite Vs Petalite

Sugilite

Petalite

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1 Astrology

1.1 Origin

Canada, Southern and central Africa, Italy, Australia, India

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

1.2 Color

Violet, Brownish, Yellow, Reddish, Pale pink

Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Virgo

Not Available

1.5 Planet

Mercury, 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

The All

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

All

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

2.69-2.792.40

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

Poor on {0001}

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

2.7 Mohs Hardness

5.5-6.56-6.5

2 10

2.8 Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

Weak

AbsentWalter Schumann

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.607-1.6121.502-1.523

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

monoclinic

3.8 Birefringence

0.0030.012-0.016

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

Sugilite Vs Petalite Fracture

Fracture is an important parameter when you compare Sugilite and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite 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 Sugilite is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009). Petalite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Subconchoidal.

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Sugilite Vs Petalite Luster

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