Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
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Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.05-3.21
3.6
Fracture
Uneven, Subconchoidal, Splintery
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Cleavage
Good on {110}, poor on {100}
None
Mohs Hardness
7.5
6.5-7.5
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca3Al2Si3O12
Luster
Vitreous, Greasy
Vitreous, Adamantine
Pleochroism
strongly trichroic
-
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.627-1.650
1.738-1.745
Crystal System
Orthorhombic
Isometric
Birefringence
0.009-0.010
-9999
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Psychology
Perception
Abundance
Healing
Physical healing
Emotional healing
Qualities Associated
Self-Realization
Abundance