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Sugilite
Sugilite

Petalite
Petalite



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Sugilite
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Petalite

Sugilite Vs 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
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Receptive
Not Available
1.9 Deities
The All
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
All
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Brittle
2.2 Solubility
Not Available
insoluble
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.69-2.792.40
Amber
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
Amber
2 10
2.8 Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
LiAlSi 4O 10Michael O’Donoghue , 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
Fluorite
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
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Hexagonal
monoclinic
3.8 Birefringence
0.0030.012-0.016
Achroite
0 0.296
3.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
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.

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.