SWJ0002 - Premium Grade PREHNITE with EPIDOTE specimen from MALI Megistaspidella triangularis North West Africa WEIGHT /

North West Africa WEIGHT / SIZE: 19

†Olenoides

31 cm Long

K2 - New NWA 13291 H5-S3-W2 Chondrite Meteorite 20

Nileus armadillo (Dalman

SWJ0002 - Premium Grade PREHNITE with EPIDOTE specimen from MALI Megistaspidella triangularis North West Africa WEIGHT /This is a gorgeous Prehnite with Epidote crystal cluster that was collected from Djouga diggings, Bendougou village, Arrondissement Diako, Kayes Region, Mali. Prehnite is an inosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2. Limited Fe3+ substitutes for aluminium in the structure. Prehnite crystallizes in the orthorhombic crystal system, and most often forms as stalactitic or botryoidal aggregates, with only just the crests