Chalcedony (cryptocrystalline quartz) with aligned pink jaspery inclusions showing a few relic fossils suggesting silicified limestone; and with scattered black dendrites and other small dark sulphide/oxide mineral inclusions. The stone has been sheared and fractured, the thin fractures filled with calcite.
Comments:
There is no agate banding in this stone.
References:
Further information:
Corsi's classification:
Class 14. Quartz and its varieties; Species 5. Agate