ncat VH735 Cordierite Kamulla Creek, Harts Range, Northern Territory June 30, 2022 Steve Australasia Australia Northern Territory Massive translucent blue gem cordierite (iolite). Labelled Kamulla Creek, but I have not been able to locate this. Ex Val Hannah Collection. Width of view 17.25. Stack of 25 images. Click on the image below for a higher resolution version.
Europe Germany 2256 Cordierite, Mullite, Hematite, Tridymite, Bellerberg, Eifel Mountains, Germany September 22, 2019
Australasia New Zealand 3743 Norite (rock made up of enstatite, albite, ?cordierite), Bluff, New Zealand October 3, 2019
Australasia Australia Queensland 7300 JL3070 Cordierite, Mount Isa area, Queensland December 24, 2020