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Gahnite Vs Crocoite


Crocoite Vs Gahnite


Astrology

Origin
Australia  
Australia, Southern and central Africa  

Color
Blue, Green, Greenish, Black  
Red, Yellow, orange  

Streak
Grey, gray  
yellowish orange  

For which Rashi?
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-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
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-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
4.00-4.62  
5.90-6.10  

Fracture
Conchoidal, Uneven  
Conchoidal  

Cleavage
Indistinct parting on [111]  
{110} Distinct, {001} Indistinct, {100} Indistinct  

Mohs Hardness
7.5-8  
2.5-3  

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)  
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous  
Adamantine  

Pleochroism
-  
Distinctly trichroic  

Dispersion
0.03  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.790-1.818  
2.31-2.66  

Optic Character
-  
-  

Crystal System
cubic  
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n  

Birefringence
-9999  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
-  

Cardiovascular
-  
Supports heart health  

Respiratory
Aids in digestion and soothes the stomach  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
Protection  
Passion  

Healing
Emotional healing  
Physical healing  

Qualities Associated
Harmony  
Passion  

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Gahnite Vs Crocoite Fracture

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

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Gahnite Vs Crocoite Luster

A primary knowledge about Gahnite vs Crocoite 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. Gahnite exhibits Vitreous luster. Crocoite, on other hand, exhibits Adamantine luster.

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Blue Gemstones


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