Facts about Prehnite and Chalcedony
Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
  
Zimbabwe
  
Color
Green, Colorless, gray, Yellow, White
  
Violet, White, gray, Blue, Brown, Black
  
Streak
Colorless
  
White
  
For which Rashi?
Libra
  
Cancer, Sagittarius, Cancer, Sagittarius, Cancer, Sagittarius
  
Planet
Venus
  
Moon
  
Element of Planets
Earth
  
Water
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Receptive
  
Receptive
  
Deities
Freya
  
Goddess Whope
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Protection
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-2.95
  
2.55-2.70
  
Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
  
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
  
Cleavage
Distinct on [001]
  
Absent
  
Mohs Hardness
6-6.5
  
6.5-7
  
Chemical Composition
Ca2Al2Si3O12(OH)
  
SiO2
  
Luster
Vitreous
  
Vitreous
  
Pleochroism
AbsentWalter Schumann
  
AbsentWalter Schumann
  
Dispersion
None
  
None
  
Transparency
Translucent
  
Translucent, Translucent to opaque
  
Refractive Index
1.611-1.673
  
1.530-1.543
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Orthorhombic
  
Trigonal
  
Birefringence
0.021-0.033
  
0.003-0.009
  
Clarity
TranslucentHerve Nicolas Lazzarelli
  
Translucent
  
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
  
Prehnite Vs Chalcedony Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Prehnite Vs Chalcedony 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 Prehnite and Chalcedony Astrology. Its highly necessary to have a basic knowledge of facts about Prehnite and Chalcedony, before you finalize to buy one.
Prehnite is known to regulate the influence of Venus planet.Prehnite, that occurs commonly in Green, Colorless, gray, Yellow, White color, possesses Receptive energy.Chalcedony, the unique gem is known to regulate the influence of Moon planet. Chalcedony, which is classic Violet, White, gray, Blue, Brown, Black colored gem, possesses Receptive energy.