Looks like it is "electroformed", could have been made by a number of companies or hobbyist.
What are the measurements of the top and bottom of the container,a photo of the side seam might help also.
What does the seam on the cylinder look like? Also is it tin lined on the inside?
The stone is old,but no way to determine when it was strung.
The beads are heishi shell,but can't tell if they are handmade or machine made.Have the "turquoise" been tested to see if they are stabilized?
They were made out of aluminum.
Only 10 made with the HUFFCO name on the side? There were probably hundreds of the same type made in Indonesia in the 60/70's for oil workers.Link...
Looks more like a brahma bull.
Bev........ your photo is not a flintlock,it is a percussion cap.
It is called Mexican onyx but is actually travertine.
The first name looks like Diane and thought Diane Ferland who does sand cast glass,but the last name looks like it starts with a T.
Why be depressed? Everything on the web site is modern reproductions and custom designs.Depending on what you sold for scrap that may have been...
Here is a link to one like the OP's photo. http://www.antique-japan.com/jze346-1-hibachi-heating-device
They left off the "d" in chased,the design was chased and not engraved.Hard to tell if the design is Asian or possible Turkish since the "letters"...
Looks like water buffalo horn,probably made in India.
Lead,pewter,tin has been used for many years on knives,silverware handles,etc. the melting temperature is not much above the fire ignition point....
There is no crosshatch visible in the photos of the white beads. Mammoth ivory is banned for sale on Ebay as is elephant and walrus.
The tagua nuts I have don't have lines,the white beads look like "French ivory/cellulose". The blue and red beads look like glass in the photos.
The lines are the same except for a slight difference in the angle of the crosshatch.
It looks like soapstone.
Separate names with a comma.