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Apatite Vs Grandidierite


Grandidierite Vs Apatite


Astrology

Origin
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Origins: Mexico  
Madagascar  

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

Streak
White  
White  

For which Rashi?
Gemini  
-  

Planet
Mercury  
-  

Element of Planets
Earth  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
Jupiter/Neptune  
-  

Not to wear with
-  
-  

Powers
Healing  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.16-3.23  
2.85-3.00  

Fracture
Conchoidal, Uneven, Conchoidal to uneven  
Uneven  

Cleavage
[0001] indistinct, [1010] indistinct  
Perfect  

Mohs Hardness
5  
7.5  

Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references  
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.  

Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Blue stones – strong  
visible  

Dispersion
0.01  
99+
0.04  
36

Transparency
-  
-  

Refractive Index
1.628-1.651  
1.578-1.639  

Optic Character
-  
-  

Crystal System
Hexagonal  
Orthorhombic  

Birefringence
0.002-0.008  
0.037-0.039  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

Benefits

Physical
  
  

Neurological
Enhances communication and mental clarity  
Enhances mental clarity and focus  

Cardiovascular
Enhances intuition and psychic abilities  
-  

Respiratory
Good  
-  

Reproductive
Supports reproductive health  
-  

Digestive
Supports digestive health  
-  

Psychology
Motivation  
Wisdom  

Healing
Emotional healing  
Physical healing  

Qualities Associated
Manifestation  
Harmony  

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Apatite Vs Grandidierite Fracture

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

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Apatite Vs Grandidierite Luster

A primary knowledge about Apatite vs Grandidierite 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. Grandidierite, on other hand, exhibits Vitreous and Pearly luster.

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