Fantastically interesting jewelry by German designer, Mirjam Hiller Necklace from the Heaps and Crystals collection Brooch from the Heaps and Crystals collection Brooch from the Heaps and Crystals collectionBrooches from the Heaps and Crystals collection  Brooch from the Arcane Cities and Landscapes collectionBrooch from the Arcane Cities and Landscapes collection