Can you help identify the turquoise in this bracelet? Thank you

Hello, I am so very happy to have found this wonderful website. I was hoping for some insights to this great bracelet I recently purchased.
I believe it is authentic Navaho, handmade, and old. Am I correct?
Does anyone have any thoughts regarding the origins of this turquoise? Is this “stabilized” ?
Two of the stones are cracked in half, but appear to be safely attached inside their saw-tooth bezel setting.
Thank you kindly for any thoughts / information.

<img src=/uploads/db3169/original/1X/036746b8c5272ffdc34176a13d42e12e6097b4dc.jpg">

<img src=/uploads/db3169/original/1X/8aaa868180dce777666d4b47da4fa393e11fd3f0.jpg">

<img src=/uploads/db3169/original/1X/da75d76c25acc3ef038ad33d252f6ae7c8a608c9.jpg">

<img src=/uploads/db3169/original/1X/ca86b20675ecaf82dcd2a1067585d89c1d60d7a5.jpg">

Thank you for sharing. In the 1970s many local traders starting buying Persian cut stones thinking that the Zuni jewelry makers would rather buy those then cut their own, they were wrong. Some of the stones have a Persian look, some don’t, maybe a mix. The construction is not a master silversmith, you will notice a big spot of solder next to the twist wire, and some of the beads just seem not the right size. I would guess the piece circa 1980s and Navajo made. It has that nice big traditional cluster look.

Thank you so much for your input, I appreciate the information. So glad to have learned more about this piece. Thanks again!