Handmade Obsidian Jewelry from Rumi Sumaq At Rumi Sumaq, we create real Obsidian jewelry that honors tradition, craftsmanship, and culture. Designer Coco Paniora Salinas, a Quechua artist from Peru, handcrafts each piece on Martha’s Vineyard, blending ancestral techniques with modern design. Our handmade black Obsidian jewelry highlights the raw …