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Apatite Vs Howlite


Howlite Vs Apatite


Astrology

Origin
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Origins: Mexico  
Southern and central Africa  

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

Streak
White  
White  

For which Rashi?
Gemini  
Gemini, Virgo  

Planet
Mercury  
-  

Element of Planets
Earth  
Earth  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
Jupiter/Neptune  
Quan Yin  

Not to wear with
-  
-  

Powers
Healing  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.16-3.23  
2.45-2.58  

Fracture
Conchoidal, Uneven, Conchoidal to uneven  
Conchoidal  

Cleavage
[0001] indistinct, [1010] indistinct  
None  

Mohs Hardness
5  
3-3.5  

Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references  
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Blue stones – strong  
-  

Dispersion
0.01  
99+
0.01  
99+

Transparency
-  
-  

Refractive Index
1.628-1.651  
1.583-1.608  

Optic Character
-  
-  

Crystal System
Hexagonal  
monoclinic  

Birefringence
0.002-0.008  
0.019  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

Benefits

Physical
  
  

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

Cardiovascular
Enhances intuition and psychic abilities  
-  

Respiratory
Good  
Good  

Reproductive
Supports reproductive health  
-  

Digestive
Supports digestive health  
-  

Psychology
Motivation  
Calming  

Healing
Emotional healing  
Emotional healing  

Qualities Associated
Manifestation  
Calming  

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Apatite Vs Howlite Fracture

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

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Apatite Vs Howlite Luster

A primary knowledge about Apatite 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. Apatite exhibits Vitreous luster. Howlite, on other hand, exhibits Vitreous luster.

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