EYB99AO0: A novelty for 2021: Imayoshiite crystals, a rare calcium and aluminum carbonate-borate, many of them doubly terminated, with a hexagonal prismatic shape and very well marked parallel growths, transparent, very lustrous, on matrix, with white fibrous coatings of some Shinichengite (this new mineral species was initially labeled as possible Tobermorite-Clinotobermorite), small reddish brown crystals of Datolite (variety bakerite), Fluorapophyllite-(K) and some lamellar orange-brown Calcite crystals.
This specimen has been analyzed and we will send a copy of the analysis to the buyer. If you want to go deeper into the species and the paragenesis of the mine, you can consult the article by Menor-Salván, C.; Ottens, B.; Richard, E. “Rare borate minerals from the Shijiangshan-Shalonggou Deposits, Hexigten Banner, Inner Mongolia, China.” Rocks & Minerals, 96(5) (September/October 2021)
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region  China (15/07/2021)

Specimen size: 7.1 × 5.5 × 2.4 cm = 2.80” × 2.17” × 0.94”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”