this a great educational anime on precious and semi precious stone following an adorable main character that couldn't afford a crystal necklace and use her grandpa old rock hunting gear to fine one and meet an university geology student and the adventure of finding precious and semi precious stone begins mixed in is geology lesson and some history the art style and animation is beautiful the voice actresses (as this is a cute girl doing cute thing series) are good no English dub and it a no or low drama series if you like cells at work, Do it Yourself, Dairy of ourdays at the breakwater or laid-back camp this series may interest you