Black obsidian is volcanic glass that cooled before crystals could develop. Explore its remarkably sharp fracture, ancient trade, dark mirrors, slowly changing structure and modern associations with protection and introspection.
Amethyst is familiar as purple quartz, but its violet colour depends on iron, natural radiation and the crystal's own growth. Explore geodes, colour zoning, ancient ideas about sobriety and modern associations with intuition.
Rose quartz is familiar for its soft pink colour and associations with love, but there’s more happening beneath the surface. Explore its microscopic inclusions, unusual growth, ancient use and occasional six rayed stars.
