Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
-
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Yellow, Brownish, Reddish, Green, Red
Streak
White
White, Yellow
Specific Gravity
3.05-3.21
2.2-2.6
Fracture
Uneven, Subconchoidal, Splintery
Uneven
Cleavage
Good on {110}, poor on {100}
None
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Luster
Vitreous, Greasy
Silky
Pleochroism
strongly trichroic
visible: O = Pale yellow E = Canary yellow to yellow orange
Transparency
Transparent, Translucent
-
Refractive Index
1.627-1.650
1.575-1.585
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.009-0.010
-9999
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Excellent
Psychology
Perception
Spirituality
Healing
Physical healing
Emotional healing
Qualities Associated
Self-Realization
Spiritual Evolution