#127 Huge Bowtie Stilbite
3 1/2" across. Stilbite crystals can form a structure resembling wheat sheafs or in a hourglass structure. The volcanic basalt beds of the Deccan formed with the massive Deccan Traps eruptions, which occurred about 65 million years ago. The Deccan Traps are a province located on the Deccan Plateau of west-central India and cover 190,000 square miles.