Facts about Hollandite and Black Opal
Origin
Not Available
  
Australia
  
Color
Grey, Black, gray
  
White, Colorless, Blue, Red, Green, Yellow, Violet
  
Streak
Black
  
Not Available
  
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
5.05
  
1.97-2.22
  
Fracture
Brittle, Metallic
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Distinct / Good, Prismatic
  
Not Available
  
Mohs Hardness
4-6
  
6-6.5
  
Chemical Composition
Ba(Mn++++,Mn++)8O16
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Luster
Not Available
  
Not Available
  
Pleochroism
Weak.
  
AbsentWalter Schumann
  
Dispersion
Not Available
  
None
  
Transparency
Not Available
  
Transparent, Translucent
  
Refractive Index
Not Available
  
1.370-1.470
  
Optic Character
Not Available
  
Not Available
  
Crystal System
monoclinic
  
Not Available
  
Birefringence
Not Available
  
Not Available
  
Clarity
Not Available
  
Transparent
  
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
  
Hollandite Vs Black Opal Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Hollandite Vs Black Opal 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 Hollandite and Black Opal Astrology. Its highly necessary to have a basic knowledge of facts about Hollandite and Black Opal, before you finalize to buy one.
Hollandite is known to regulate the influence of Not Available planet. Black Opal, the unique gem is known to regulate the influence of Not Available planet.