Polished Amethyst. Rwanda AMP126 Wanong Dendritic Opal coated grains that grow as

coated grains that grow as thin layers of lime mud accumulate around a tiny nucleus (such as a sand grain or shell fragment) under microbial influence

Big palm stone

Dimensions at widest points approximately 380 mm x 110  mm with slightly tapering thickness of 12 - 14 mm

Weighs 300 grams

110 mm x 70 mm x 35 mm thick

Polished Amethyst. Rwanda AMP126 Wanong Dendritic Opal coated grains that grow asAMP126. Chevron Amethyst. A rough rock, cut and polished on one side with a natural back. Dimensions at widest points approx. 260 mm x 70 mm x 80 mm thick Weighs 1,870 gms. From Ruhango District, Southern Province, Rwanda, Africa.