Astrology
Origin
Madagascar
Italy
Color
Red, Colorless, Yellow, White
Yellow, orange, Red
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
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
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.34-3.44
3.355-3.433
Fracture
Conchoidal
Uneven
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
{???} Good, {???} Good
Mohs Hardness
8-8.5
Not Available
Chemical Composition
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Optical Properties
Luster
Adamantine
Vitreous
Pleochroism
Not Available
In thick sections
Dispersion
Not Available
Not Available
Transparency
Not Available
Transparent
Refractive Index
1.684-1.694
1.690-1.705
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Benefits
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
