own collection - click on the pictures
19.2 x 13.5 cm
under construction
Founded by Mr. Mueller from Idar-Oberstein/Germany between 1934 - 1938
9.5 x 8.5 cm
9.5 x 8 cm
detail
10 x 7 cm
9.5 x 6.5 cm
8 x 6 x 8 cm
detail
Madagascar
Mineralienwelt - 6-2004