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.
Fluorine tourmaline et quartz Chine. fr ristaux de fluorine violette sur tourmaline noire et cristaux de quartz fum own Parent Gry Fluorite Schorl Smoky quartz Taken with Nikon D
Page 2023 Free-images.com. All images are Public Domain