Polished Tiger Iron slab TI378 stand-up most commonly the green chromiferous

most commonly the green chromiferous muscovite mica

Dimensions at widest points approximately 80 mm x 90 mm x 60 mm thick

AZ165  Azurite sun mineral specimen

Dimensions at widest points approximately 110 mm x 95 mm x 70 mm thick

Polished Tiger Iron slab TI378 stand-up most commonly the green chromiferousTI378 Tiger Iron slab, polished on one side. Unusual specimen from a strongly weathered section of the outcrop. Dimensions at widest points approximately 190 mm x 120 mm x 15 mm thick. Weighs: 730 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