2633 Imayoshiite, Tobermorite Group, Shijiangshan mine, Inner Mongolia, China
2633 Imayoshiite (colourless, clear) with small, snow-white fibrous spheroidal Tobermorite group mineral (possibly Plombierite) on Diopside matrix – Shijiangshan mine (Dashishan mine), Hexigten Banner, Chifeng City, Inner Mongolia, China. Specimen measures 70x50x47mm.