Acquired by Jake Slago from Alfredo Petrov at the 2013 Tucson Show. Rocks and Minerals magazine Jul-Aug 2006: The third sentence in this nine page article reads: As with the real blossoms, these stones, known as sakura ishi (cherry blossom stones) are also revered by mineralogists and mineral collectors in Japan. This is a superb example that measures 6x6x6mm.