Polished Tiger Iron slab TI319 Rhodonite GRN93 Green Opal & Magnesite

GRN93  Green Opal & Magnesite slab

Weighs 185 grams

155 mm x 80 mm x 60 mm thick

Dimensions at widest point approximately 110 mm x 95 mm x 10 mm

CW123   Chinese Writing Stone rough rock

Polished Tiger Iron slab TI319 Rhodonite GRN93 Green Opal & MagnesiteTI319 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 60 mm x 8 mm thick. Weighs: 150 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.