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Sugilite: KNa2(Fe+++,Mn+++,Al)2Li3Si12O30 Effenbergerite: BaCuSi4O10
Comments: Blue effenbergerite pods to across in massive purple sugilite. Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Crystal size 4 mm. © John Veevaert
Sugilite: KNa2(Fe+++,Mn+++,Al)2Li3Si12O30 Pectolite: NaCa2Si3O8(OH)
Comments: Sharp terminated purple crystals of sugilite to 5mm on white, acicular pectolite. Location: Wessels Mine, Kalahari, South Africa. Scale: Picture size 1.5 cm. © John Veevaert