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Andalusite Vs Agate


Agate Vs Andalusite


Astrology

Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)  
Brazil  

Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red  
Yellow, Red, White, Colorless, Blue, Green, pink, Black, Brown  

Streak
White  
White  

For which Rashi?
-  
Gemini  

Planet
Venus  
-  

Element of Planets
-  
Water  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
  

Ring Metal
-  
-  

Deities
-  
Bragi  

Not to wear with
-  
-  

Powers
-  
Courage, Love, Healing, Protection  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.05-3.21  
2.60-2.64  

Fracture
Uneven, Subconchoidal, Splintery  
Conchoidal  

Cleavage
Good on {110}, poor on {100}  
Indiscernible  

Mohs Hardness
7.5  
6.5-7  

Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references  
SiO2  

Optical Properties

Luster
Vitreous, Greasy  
Vitreous  

Pleochroism
strongly trichroic  
Absent  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent, Translucent  
Translucent  

Refractive Index
1.627-1.650  
1.530-1.543  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Trigonal  

Birefringence
0.009-0.010  
0.004  

Clarity
Transparent  
Translucent  

Benefits

Physical
  
  

Neurological
Enhances mental clarity and focus  
Enhances mental clarity and focus  

Cardiovascular
Supports heart health  
-  

Respiratory
Excellent  
Good  

Reproductive
-  
Supports heart health  

Digestive
-  
Supports heart health  

Psychology
Perception  
Stability  

Healing
Physical healing  
Emotional healing  

Qualities Associated
Self-Realization  
Harmony  

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Andalusite Vs Agate Fracture

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

Compare Brown Gemstones

Andalusite Vs Agate Luster

A primary knowledge about Andalusite vs Agate 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. Andalusite exhibits Vitreous and Greasy luster. Agate, on other hand, exhibits Vitreous luster.

Brown Gemstones

Brown Gemstones


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