Ivan Karas Posts - TopicsExpress

Goethite 3 photos with a slightly different views and 3 close
Goethite 3 photos with a slightly different views and 3 close ups. Origin: Filón Sur, Tharsis, Huelva, Andalusia, Spain Size: H:9.7cm x W:4.3cm x...

Quartz with an Amethyst phantom and Hematite inclusions Red
Quartz with an Amethyst phantom and Hematite inclusions Red Devil Pocket - Orange River - South Africa Specimen and photo : (C) Marco Frigerio - Cl...