1 Astrology
1.1 Origin
the type locality
Southern and central Africa
1.2 Color
Colorless, gray, White
Blue, Blue, Red
1.3 Streak
1.4 For which Rashi?
Not Available
Sagittarius, Leo, Sagittarius, Leo, Sagittarius, Leo
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Projective, Receptive
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.33-2.37Not Available
1
7.18
2.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Not Available
2.6 Cleavage
Perfect on {010}, good on {100}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Be 2BO 3(OH)Ulrich Henn and Claudio C.
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
Not Available
3.5 Refractive Index
1.543-1.6311.54-1.56
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.071-0.074Not Available
0
0.296
3.9 Clarity
Transparent
Not Available
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available