Black stone

I received some beads made for me in Hong Kong some years ago made
from “Black stone.” I was told they were black obsidian-and they
resemble black onyx. I still have quite a few -I had them fashioned
into special beads and they’re working fine. Don’t know where it’s
JS Khalsa

JS please try this put single sourse of logt on it watch if you can
sen see 4 rays of light reflecting from it it is black star . real
name is star diopside this stone is plently available from South
India Tamil Nadu @tomyjoseph