The stone is "native" cut for weight and not clarity ,narrow crown and deep pavilion.Looking through the table it is fish eye/windowed.
I see nothing in the photos to date the ring construction or the cutting of the stone,the ring could have been made in the 1990's.
Possibly Japanese,but it's sideways.
It's a color zoned amethyst,not too hard to identify.
Open it up and get a straight shot of the symbols,it maybe upside down and no one can see it right.
The chain does not appear to be original to the piece,looks like a add on.
Looks like the stones are glued in and not actually bead set.
Anyone can put a copyright mark on anything original they write,paint,make,etc.
I believe it is a Catholic cross but not sure of the original time period.
"Cubist" by someone with a torch and little experience casting brass.
Rusty piece of pig iron/slag from one of the many iron foundries in the area. https://www.jstor.org/stable/20083180?seq=1#page_scan_tab_contents
It looks like it was die stamped and probably hundreds made.
It's not engraved with initials,a separate shaped piece of metal has been soldered onto the inside of the shank.
There doesn't appear to be a bad seam,whoever was responsible for cleanup after soldering didn't do their job and clean the excess solder flow.If...
Looks like someone was "playing" with acid,the top design and initials appear to be acid etched.
Looks like it was a quick swipe of a file to remove mold flash.
Generic fine tip tweezers with the tip ground for some reason.Used for a variety of purposes to pick up small objects like stones,solder...
With the layered look,it appears to be abalone.
step-up stirrup
It's really not crudely made,it's made like they have been for the last several plus hundred years by many cultures.
Separate names with a comma.