Botryoidal Malachite
Science Stock Photography/science Photo Library
Haematite Minerals
Royal Institution Of Great Britain
Agatised Coral
Natural History Museum, London/science Photo Library
Crystals Of Haematite In Quartz
Jeremy Bishop/science Photo Library
Haematite Ore
Biophoto Associates/science Photo Library
Haematite Ore #1
Biophoto Associates/science Photo Library
Amaltheus Sp. Ammonite Shell
Pascal Goetgheluck/science Photo Library
Amaltheus Sp. Ammonite Shell #1
Pascal Goetgheluck/science Photo Library
Haematite Specimen
Natural History Museum, London/science Photo Library
Romanechite
Science Photo Library
Zinc Ore #2
Natural History Museum, London/science Photo Library
Smithsonite
Martin Land/science Photo Library
Zinc Ore #1
Natural History Museum, London/science Photo Library