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Antigorite Vs Gahnite


Gahnite Vs Antigorite


Astrology

Origin
Italy   
Australia   

Color
Green, Green, gray, Brown, Black   
Blue, Green, Greenish, Black   

Streak
Greenish, White, Greenish, White   
Grey, gray   

For which Rashi?
Not Available   
Not Available   

Planet
Not Available   
Not Available   

Element of Planets
Not Available   
Not Available   

How to Wear?
  
  

Finger
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Not Available   

Ring Metal
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Energy
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Deities
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Not to wear with
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Powers
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Birthstone
  
  

Planetary
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Talisman
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Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.80   
4.00-4.62   

Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)   
Conchoidal, Uneven   

Cleavage
{001} Good   
Indistinct parting on [111]   

Mohs Hardness
5-5.5   
7.5-8   

Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties

Luster
Waxy, Silky, Resinous, Greasy   
Vitreous   

Pleochroism
pale greenish yellow.   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.530-1.575   
1.790-1.818   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm   
cubic   

Birefringence
Not Available   
Not Available   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits

Physical
  
  

Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Antigorite Vs Gahnite Fracture

Fracture is an important parameter when you compare Antigorite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Antigorite Vs Gahnite 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 Antigorite is Brittle, Conchoidal, Conchoidal, Handbook of mineralogy (2001) and Metallic. Gahnite fracture is Conchoidal and Uneven.

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Antigorite Vs Gahnite Luster

A primary knowledge about Antigorite vs Gahnite 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. Antigorite exhibits Greasy, Resinous, Silky and Waxy luster. Gahnite, on other hand, exhibits Vitreous luster.

Green Gemstones

Green Gemstones


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