hi again, long time no talk, eh? I found a great website, which i think may aid you in writing your posts to enlighten us more on minerals.
this is the website. hope that it helps us all as a community.
https://www.mindat.org/min-207.html
this is the amphibole page. just look how much information is there 😵. totally mindblowing 🤯
RE: Amphibole Group