Fulgurite (Lightning Strike Glass), 1-2" Roman these rare specimens date back

these rare specimens date back 5-23 million years

prismatic or blocky (sometimes twinned) augite (displaying Fs-rich rims)

and Schrader D

These are real specimens of Peruvian pink opal

This mummy head is very grudgingly being de-accessioned from the Prehistoria Museum collection to raise funds for some urgent operational/renovation expenses and potential buyers will be vetted prior to shipping

Fulgurite (Lightning Strike Glass), 1-2" Roman these rare specimens date backThese are real Moroccan fulgurite (lightning strike glass) specimens! Lightning strikes are known to reach temperatures of over 30,000 degrees Celsius! When these intense energy currents move through the ground, they cause melting and deformations in the soil. These ~1 2" long specimens were created during major storms in Morocco. Price is per random specimen and these can be shipped worldwide!