home/mineralworldagates/                                                                                                   Europe/United Kingdom/England/  Potatoe-Agates

The so called “Potatoe Agates” are found in the Mendip Hills in Avon, Great Britain. Their formation is sedimentary in a triassic limestone. The presented examples are from a limestone-quarry near Dulcote. These globular shaped aggregations are reaching sizes up to 30 cm and are very often hollow. In the center they are showing cristallisations of several carbonates.

Carbonates are are a major part of the formations of the massive chalcedony-aggregations too. The banding of theses aggregates that are coloured by iron-oxides is indistinct. The pattern is showing not an exact concentrical banding - the pattern is reminding at a whirl.

Potatoe agates are offered at the agate-archive.

More informations about english agates are given in Dr.H.G. Macpherson´s book “agates” (published by the British Museum (Natural History) and the National Museums of Scotland) at page 52.