Limonite after Pyrite - Specimen barite crystal cluster 5cm x 15cm x 10mmSize

5cm x 15cm x 10mmSize of barrel: 12

Fossils like this help reconstruct past climates and animal populations

but it is just oil residue from the machine oil being pressed on under a shrink wrap coating to keep them clean

They have been dyed pink by humans and treated to add a green coating

Limonite after Pyrite - Specimen barite crystal cluster 5cm x 15cm x 10mmSizeMined from: Extertal, Germany Description: This one of a kind limonite after pyrite specimen from Extertal, Germany is a striking and sculptural mineral piece with exceptional visual contrast. A dramatic cluster of dark, sharply defined replacement crystals rises from a pale natural matrix, creating a bold display specimen with strong texture, dimension, and presence. The preserved crystal form reflects the original pyrite habit, while the limonite