博物館の鉱物エリアはばびれぬっきら^−^
これこそ石ら^−^
https://cdn.4travel.jp/img/tcs/t/pict/src/16/09/27/src_16092751.jpg?1281578589
http://4.bp.blogspot.com/-x9jz34PawKw/VF3ye9lTsmI/AAAAAAAALzc/R_2U8sdXRPg/s1600/DSCF5238.JPG
http://chikatravel.com/wp-content/uploads/2017/10/DSC_0184-676x320.jpg
http://e-haguro.co.jp/wordpress/rollingstone/files/2015/05/DSC_4768.jpg