This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Prehnite HMNH. Prehnite Quarry Southbury New Haven Co CT USA Location The Harvard Museum of Natural History Photo taken by me alcinoe Prehnite Spherulites Minerals in the Harvard Museum of Natural History
Page 2023 Free-images.com. All images are Public Domain