No engraving on the piece,it was made on a rolling mill.Looks more like an arm band with the holes for a tie "cord".
It looks like copper plated "white " metal,the base is chased or die stamped.It appears to be 4 pieces soldered together.Can't tell if it is...
Depending on which internet site you would believe....spoon rings have been on and off since the 1600's.
I bet they would with a bracelet mandrel and a rawhide hammer.
Nothing is too complex to be molded and cast.
My bracelet is 2.5" x 1.75" with a 1 inch gap,if yours were opened up they would be about the same size as mine.
What are the inside measurements? They look like factory reject,poorly cast bracelets.
Good photos, I thought a tray was missing in the OP's photos and had nothing to compare.
Looks a bit like flame agate
Tiger eye natural "yellow",red,blue"hawks eye".
Looks like a Chinese agate bangle bracelet only smaller,they have been making the bracelets for years.
It looks like "solid" gold,the engraving is deep and you would see the base metal if it were plated or rolled gold.
The stone is bloodstone.. a type of jasper/chalcedony.
Can't tell from the photos if it is Hopi overlay,looks more like a cast tourist piece.
The red stone is rhodonite,but the piece is in sad shape due to a botched attempt of repair
Top right coin is a Maria Theresa thaler,still being minted and faked today with the 1780 date.
I think you got the terms wrong it should be Nunome zogan ,Nokume-Zogan does not exist.
The blade is buffalo horn............ link to modern version http://www.davidmellordesign.com/butter-knife-black-buffalo-horn-white-bone
Looks like steel formed on a "lathe" type machine. http://thelibraryofmanufacturing.com/spinning.html
Lemurian quartz is a "new age" sales pitch term,most of it comes from the mines in Brazil.The orange coloring is usually iron stains which can be...
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