Polished Tiger Eye slab TE433 rock blocks Alcheringa narrina from the Archaean

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

Dimensions at widest points approximately 90 mm x 70 mm x 10 mm thick

PA226  An Agate nodule

Dimensions at widest points approximately 110 mm x 75 mm x 40 mm thick

Conglomerate is a sedimentary rock consisting of individual pebbles (clasts) within a finer-grained matrix that have become cemented together

Polished Tiger Eye slab TE433 rock blocks Alcheringa narrina from the ArchaeanTE433 Marra Mamba Tiger Eye slab polished on one side . Multiple magnetite cones ! Dimensions at widest points approximately 220 mm x 115 mm x 9. 5 mm thick. It weighs 588 grams. From the "Marra Mamba Iron Formation" near Mt. Brockman in the Pilbara region of Western Australia.