Origin
-
Linares, Jaén, Andalusia, Spain
Specific Gravity
2.59
5.35
Cleavage
None
Perfect on {100}, imperfect on {001}
Chemical Composition
(Na,Ca)2(Fe2+,Mg)3Si3O10
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Transparency
Transparent, Translucent
Transparent
Refractive Index
-9999
1.809-1.859
Crystal System
-
monoclinic
Birefringence
-9999
0.050
Clarity
Transparent
Transparent
Neurological
Aids in mental clarity and focus
-
Cardiovascular
Supports heart health
-
Digestive
-
Supports digestive health
Psychology
Protection
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Communication