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Petalite
Petalite

Dioptase
Dioptase



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Petalite
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Dioptase

Petalite Vs Dioptase

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1 Astrology
1.1 Origin
Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia
Dioptase from Altyn Tübe, Kazakhstan, the type locality
1.2 Color
Colorless, gray, Yellow, White
Green, Blue, Green
1.3 Streak
Colorless
Green
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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
Not Available
Not Available
1.9 Deities
Not Available
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
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Brittle
Brittle
2.2 Solubility
insoluble
Soluble
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.403.25-3.35
Amber
1 7.18
2.5 Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
2.6 Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Perfect in three directions
2.7 Mohs Hardness
6-6.55
Amber
2 10
2.8 Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Weak; dark emerald green
3.3 Dispersion
0.010.04
Fluorite
0.007 1
3.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentHerve Nicolas Lazzarelli
3.5 Refractive Index
1.502-1.5231.644-1.720
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
monoclinic
Trigonal
3.8 Birefringence
0.012-0.0160.051-0.053
Achroite
0 0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentHerve Nicolas Lazzarelli
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

Petalite Vs Dioptase Fracture

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

Petalite Vs Dioptase Luster

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