Polished fossil stromatolite. Alcheringa narrina. ALC159 mookaite Measures approximately 225mm x 120mm

Measures approximately 225mm x 120mm and  10mm thick

Approximate dimensions at widest points 135 mm  x 45 mm  x 35 mm thick

Weighs 249 grams

135 mm x 90 mm x 85 mm thick

Dimensions at widest points approximately 130 mm x 80 mm x 50 mm thick

Polished fossil stromatolite. Alcheringa narrina. ALC159 mookaite Measures approximately 225mm x 120mmALC159 Fossil stromatolite , polished on one side with natural weathered exterior on rear. Small pyrite cubes interspersed ! Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation. Age is approx. 2. 7 billion years. From near Nullagine in Western Australia. Dimensions at widest points approx. 120 mm x 85 mm x 50 mm thick. Weighs 741 grams.