Roweite : Ca2Mn2+2B4O7(OH)6
Olshanskyite : Ca2[B3O3(OH)6](OH)·3H2O
As recorded:
Shijiangshan mine, Hexigten Banner, Chifeng City, Inner Mongolia, China
120mm x 70mm
Photo added to mindat.org
“
A specimen with roweite (orange-brown) and olshanskyite (white). I addition we assume that the mineral that looks like apatite is johnbaumite(not analysed yet)
Collection of NHM Oslo
Photo Øivind Thoresen 2017”
Geologisk Museums Venneforening ,Oslo - 12th November 2017
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