A simple resource pack that lets you see budding amethysts more easily, hopefully avoiding accidentally breaking these blocks.
This resource pack uses two modified icons from The Noun Project: an exclamation mark and a checkmark. Both under the terms of the Creative Commons Attribution 3.0 United States license, the attribution is given below.
exclamation by Ardiansyah from the Noun Project (link)
checkmark by Three Six Five from the Noun Project (link)