Minerals and mineralogy :
Fossils and paleontology :
Fake minerals and fossils, scams...
- Alunite and various alums : lab crystallizations
- Azeztulite : a commercial trap !
- Terraluminite : a commercial trap !
- Cavansite vs. Pentagonite : risk of commercial trap
- Chalcantite : a toxic fake...
- Fake dumortierite geodes
- Glues and hardeners
- How recongnize fake trilobites ?
- Hollow galena crystals from Madan, Bulgaria
- Lopezite : an extremely dangerous fake !
- The great certificate of authenticity scam
- Dyed rubies and sapphires : new treatment
You will find through this section informative articles on various geological and mineralogical topics. Do not hesitate to send us interesting additional content.