Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
Southern and central Africa
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Brown, Black
Specific Gravity
3.05-3.21
3.40-4.20
Fracture
Uneven, Subconchoidal, Splintery
-
Cleavage
Good on {110}, poor on {100}
Indistinct
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)
Luster
Vitreous, Greasy
-
Pleochroism
strongly trichroic
-
Transparency
Transparent, Translucent
-
Refractive Index
1.627-1.650
1
Crystal System
Orthorhombic
-
Birefringence
0.009-0.010
0.013-0.036
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
Supports reproductive health
Psychology
Perception
Empowerment
Healing
Physical healing
Emotional healing
Qualities Associated
Self-Realization
Inspiration