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.
Keywords from Image Description:
Tremolite. Total length of xls is cm Found ca SW UV image This quarry has produced the most intensely fluorescent tremolite that have seen Caveat This is my first attempt at UV photos The actual SW response is intense pale blue But my camera settings made it look very blue indeed used Photoshop to tone it down but it may still