Mineralien Museen in Westeuropa
- 269 pages
- 10 hours of reading
Rainer Bode Books
Welcher Edelstein ist das?
- 128 pages
- 5 hours of reading
Mineralien
- 93 pages
- 4 hours of reading
Mineralien. Edelsteine und Kristalle. Extra
Kristallsystem und Härteschlüssel
- 93 pages
- 4 hours of reading
Photos and information on form, color, origin, and other topics for many specific minerals, gems and crystals. Additional information on mineral formation in the earth.
Minerály
- 93 pages
- 4 hours of reading
Drahokamy a krystaly včetně Krystalové soustavy a stupnice tvrdosti.