Possibly Amazonite .... https://geology.com/gemstones/amazonite/
The base of the bracelet is at least 5 separate pieces,the bezels and bases are more pieces. Probably used failed castings from a number of bracelets.
Photos?
Bloomed gold is depletion gilding,many people use it to take the copper in sterling off a piece and leave the pure silver which does not tarnish....
Motorcycle chain bracelet,bikers have been making them for years from different metals and a lot of modern pieces are made from titanium.
Size?
A number of companies and designers started using 925 in the late 1990's.Many still use sterling and some NA silversmiths have been using both on...
Since the "silver" chain is soldered onto the pig iron bracelet,if the bracelet was melted down and assayed the silver amount for the whole...
It is not sterling,it is iron.The whole piece needs to be 925,the amount of sterling on the piece may be 100.
Looks like it was made by a blade smith and didn't know marking with a sterling stamp was illegal.
The color depends on the natural heat treating while they were still in the ground. [ATTACH]
SW style,turquoise could have come a one of a dozen or more mines. Hobbyist were making SW style from at least the 1960's copied designs published...
1.5 inches diameter
Looks like someone made a mold of an originally hand engraved piece and then a copy of the original piece.
The main ovals might have been Tufa Stone Cast,with soldered links.
Are there little "bubbles" in the engraved lines? The photos make it a little hard to see how it was made.
In the past i used https://www.firemountaingems.com/shop/cabochons They have been in business for many years.
Did you test the stone,it doesn't look like an emerald in the photo. Photo of the stone isn't clear enough to help with a date.
Rouge cloth or Sunshine cloth.... https://www.google.com/search?client=firefox-b-1-d&q=rouge+cloth+for+jewelry...
It could have been a liquid patina solution or something like flame coloring.... [MEDIA]
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