Prehnite, unknown origin, specimen width: 54 mm, private collection, 2021 by Katsuaki Watanabe
葡萄石（産地不詳、標本の横幅：54 mm、個人蔵）
211118_kitagawa-collection-2a_DSC00721_Lr_prehnite
Prehnite, unknown origin, specimen width: 54 mm, private collection, 2021 by Katsuaki Watanabe
葡萄石（産地不詳、標本の横幅：54 mm、個人蔵）
