That was another short story by H.P. Lovecraft, also made into an awesome and semi-ridiculous Stuart Gordon movie starring the always enjoyable Jeffrey Combs. From this cornucopia of inspiration, I drew these:
They look simple to the naked eye, but if you stare into the shimmering depths of the stone too long, it's quite possible you could slip between dimensions and discover horrors undreamt of til now. They are also quite lovely for both fancy occasions and casual days.
I recommend the movie From Beyond to anyone who...well, just anyone. It's nice to see a young Jeffrey Combs play something other than a lunatic/genius. Oh....wait....just watch it anyway.
See you soon,