The cardbox shows obvious signs of age.
Please note, because I'm not a geologist I'm unable to identify minerals, so I sell these collections as is, as they was found.
Content
Non-ferrous metal ores11. Copper pyrite (chalcopyrite)
12. Aluminum ore (bauxite)
13. Lead-zinc ore (galena with sphalerite)
14. Magnesite
Non-Metallic Minerals
Chemical raw mineral materials15. Rock salt (halite)
16. Glauber's salt (mirabilite)
17. Potassium salt (sylvinite)
18. Pyrite
19. Sulfur
Agro-ores
20. Apatite
21. Nepheline
22. Phosphorite
DIMENSIONS:
Box size 30 x 22 x 4 cm or ~ 12 x 8 3/4 x 1 1/2 inch.
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