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Peridot Vs Howlite


Howlite Vs Peridot


Astrology

Origin
China, Burma, Pakistan, USA, Southern and central Africa, Brazil  
Southern and central Africa  

Color
Green  
Blue, Colorless, White  

Streak
None  
White  

For which Rashi?
Libra, Taurus, Leo, Virgo  
Gemini, Virgo  

Planet
-  
-  

Element of Planets
Earth  
Earth  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
Isis  
Quan Yin  

Not to wear with
-  
-  

Powers
Protection  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
1.54-1.55  
2.45-2.58  

Fracture
Conchoidal  
Conchoidal  

Cleavage
Poor  
None  

Mohs Hardness
6.5-7  
3-3.5  

Chemical Composition
(Mg,Fe)2SiO4  
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous, Greasy  
Vitreous  

Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent  
-  

Refractive Index
1.64-1.69  
1.583-1.608  

Optic Character
-  
-  

Crystal System
Orthorhombic  
monoclinic  

Birefringence
0.036  
0.019  

Clarity
Transparent  
-  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
Aids in mental clarity and focus  

Cardiovascular
-  
-  

Respiratory
Good  
Good  

Reproductive
Supports reproductive health  
-  

Digestive
-  
-  

Psychology
Harmony  
Calming  

Healing
Physical healing  
Emotional healing  

Qualities Associated
Health  
Calming  

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Peridot Vs Howlite Fracture

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

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Peridot Vs Howlite Luster

A primary knowledge about Peridot vs Howlite 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. Peridot exhibits Vitreous and Greasy luster. Howlite, on other hand, exhibits Vitreous luster.

Semi Precious Gemstones

Semi Precious Gemstones


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