Purple Chalcedony PU120 rock blocks The stromatolite occurs as small

The stromatolite occurs as small digitate columns which are finely laminated

Dimensions at widest points are approximately 125 mm x 110 mm x 50 mm

Pink porphyry slab

This piece has a smattering of pyrite inclusions through it

Face is approximately 90mm x 50mm and  9mm thick

Purple Chalcedony PU120 rock blocks The stromatolite occurs as smallPU120 Purple Chalcedony rough rock, cut and polished on one side with a natural rough exterior ! Difficult to photograph but is a pleasing lilac colour. Dimensions at widest points approx. 190 mm x 95 mm x 70 mm thick. Weighs 1,194 grams. From the Eastern Goldfields region of Western Australia.