$548Median
10Sold (12 mo)
$1,500Last sale
Imayoshiite from Shijiangshan Mine, Hexigten Banner, Inner Mongolia, China
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Ships from USA
Glassy colorless crystals scattered throughout this matrix with botryoidal crystallized datolite.
The Shijiangshan Mine, located near Yinwu in Linxi County (Hexigten Banner), Ulanhad League, Inner Mongolia, China, is a modern mining and advanced exploration area that has gained world renown among mineral collectors over the past couple of decades for its extraordinarily diverse and pristine micro-to-cabinet specimen assemblages. Geologically, the deposit consists of complex silicate- and borate-rich skarns formed through intense contact metamorphism and subsequent low-temperature hydrothermal alteration where metal-bearing fluids interacted with carbonate wall rocks. Mineralogically, the mine is celebrated as a prolific producer of rare species, most notably yielding exceptional specimens of imayoshiite, a very rare hydrated calcium carbonate-borate mineral belonging to the ettringite group. Originally discovered in Japan, the Shijiangshan Mine emerged as a premier secondary locality, producing remarkable hexagonal prismatic crystals of imayoshiite growing alongside an array of unusual skarn associates like garnet, datolite, and various complex borosilicates.
Product details
SpeciesImayoshiiteDatolite
SizeCabinet
Dimensions14.0 x 10.0 x 2.5 cm
Listed on07/16/2026
LocalityChina, Inner Mongolia, Shijiangshan Mine
SKU9505894
Current owner
WM
Weinrich MineralsFeatured
3,508 for sale·9 sold
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