Polished Tiger Iron slab TI324 Rough rock our "Black Jasper Conglomerate" is

our "Black Jasper Conglomerate" is a polymictic pebble and cobble conglomerate

Dimensions at widest points approximately 145 mm x 80 mm and 9 mm thick

HEM127  Hematite geode half

Weighs 541 grams

Polished Tiger Iron slab TI324 Rough rock our "Black Jasper Conglomerate" isTI324 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 170 mm x 110 mm x 5. 8 mm thick. Weighs: 254 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and chatoyant golden tiger eye.