Origin
Ethiopia
  
Mexico
  
Color
Yellow, White, Red, Brown, Blue
  
White, Colorless, White, pink, Yellow, Brown
  
Streak
White
  
White
  
For which Rashi?
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
  
Cancer
  
Planet
Mercury
  
Sun
  
Element of Planets
Earth, Air, Water
  
Earth, Sun
  
Energy
Projective, Receptive
  
Receptive
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Deities
Cupid
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Astral Projection, Psychicism
  
Spirituality, Healing
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
BrittleWalter Schumann
  
Brittle
  
Solubility
hot salt water
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
2.67-2.73
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
None
  
Perfect on [10 1 1] three directions with angle of 74° 55
  
Mohs Hardness
5-6.5
  
3
  
Chemical Composition
SiO2 · nH2O
  
CaCO 3Ulrich Henn and Claudio C.
  
Luster
Vitreous, Pearly
  
Vitreous, Pearly
  
Pleochroism
None
  
NilArthur Thomas
  
Dispersion
None
  
Not Available
  
Transparency
Transparent, Translucent, Transparent to translucent
  
Transparent, Translucent
  
Refractive Index
1.37-1.52
  
1.486-1.658
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Trigonal
  
Trigonal
  
Birefringence
Not Available
  
0.154-0.174
  
Clarity
Transparent
  
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
  
Opal Vs Calcite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Opal Vs Calcite 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 Opal and Calcite Astrology. Its highly necessary to have a basic knowledge of facts about Opal and Calcite, before you finalize to buy one.
Opal is known to regulate the influence of Mercury planet.Opal, that occurs commonly in Yellow, White, Red, Brown, Blue color, possesses Projective and Receptive energy.Calcite, the unique gem is known to regulate the influence of Sun planet. Calcite, which is classic White, Colorless, White, pink, Yellow, Brown colored gem, possesses Receptive energy.