Facts about Feldspar and Grandidierite
Origin
Southern and central Africa
  
Madagascar
  
Color
Yellow, Green
  
Green
  
Streak
White
  
White
  
For which Rashi?
Not Available
  
Not Available
  
Planet
Not Available
  
Not Available
  
Element of Planets
Not Available
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Not Available
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Not Available
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.56-2.75
  
2.85-3.00
  
Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
  
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
two or three
  
Perfect
  
Mohs Hardness
6-6.5
  
7.5
  
Chemical Composition
Not Available
  
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
Luster
Vitreous
  
Vitreous, Pearly
  
Pleochroism
None
  
visible
  
Dispersion
Not Available
  
Not Available
  
Transparency
Transparent, Translucent
  
Gemmological Tables (2004) More from other references
  
Refractive Index
1.518-1.570
  
1.578-1.639
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Triclinic or monoclinic
  
Orthorhombic
  
Birefringence
0.008-0.010
  
0.037-0.039
  
Clarity
Transparent
  
Gemmological Tables (2004) More from other references
  
Physical
  
  
Neurological
Not Available
  
Not Available
  
Cardiovascular
Not Available
  
Not Available
  
Respiratory
Not Available
  
Not Available
  
Reproductive
Not Available
  
Not Available
  
Digestive
Not Available
  
Not Available
  
Psychology
Not Available
  
Not Available
  
Healing
Not Available
  
Not Available
  
Qualities Associated
Not Available
  
Not Available
  
Feldspar Vs Grandidierite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Feldspar Vs Grandidierite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Feldspar and Grandidierite Astrology. Its highly necessary to have a basic knowledge of facts about Feldspar and Grandidierite, before you finalize to buy one.
Feldspar is known to regulate the influence of Not Available planet. Grandidierite, the unique gem is known to regulate the influence of Not Available planet.