Botryoidal Turkish Crater Agate with Hematite & Goethite spodumene on a layer of chalcedony

on a layer of chalcedony over a trimmed basalt matrix pocket

I included an out-of-focus pic or two because those give at least some sense of the brilliance of this piece

chrysotile and minor epidote

Great for jewelry

Trepca Mine Complex

Botryoidal Turkish Crater Agate with Hematite & Goethite spodumene on a layer of chalcedonyLustrous botryoidal crater agate cluster with hematite & goethite. Size: 95 x 55 x 45 mm. 352 grams From Cubuk, Ankara Province, Turkey Botryoidal agate is a type of agate that has a rounded, grape like appearance. It is formed when silica rich water fills cavities in rocks and deposits layers of chalcedony, a microcrystalline variety of quartz. The botryoidal shape is created by the growth of tiny spherical crystals on the surface of the chalcedony.