Buy products related to prehnite stone products and see what customers say about prehnite stone products on Amazon ✓ FREE DELIVERY possible on.
Detailed description, properties, and locality information guide about the mineral prehnite.
Prehnite. Ca2Al2Si3O10(OH)2 c○2001 Mineral Data Publishing, version 1.2. Crystal Data: Orthorhombic. Point Group: mm2: Uncommon as crystals, tabular.
Apr 1, 2014 . Prehnite is a stone that originally comes to us from South Africa, it is the first documented important mineral find from that area. Soon after it's.
Prehnite is an inosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2. Limited Fe3+ substitutes for aluminium in the structure. Prehnite.