Botryoidal Turkish Crater Agate with Hematite & Goethite spodumene From the famous zeolite locality

From the famous zeolite locality at Jalgaon District

Tenebrescence is the ability of some materials to change their color when exposed to sunlight

and gives the quartz a subtle hue that resembles the color of bone

Each piece will be unique and vary slightly in size and weight

Trepca Mine Complex

Botryoidal Turkish Crater Agate with Hematite & Goethite spodumene From the famous zeolite localityLustrous 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.