Vintage Native American Zuni Silver & Natural Stones Dancer Pin Brooch. I research has indicated that this is native American as any artisan work. There is no markings on the pin / brooch but there are many like it online for sale.
Not sure of the exact silver content. It looks like turquoise & onyx & abalone and a reddish Stone, which I don't know if it's carnelian or Coral or something else. Please, please, if you have any questions, feel free to ask and thank you so much for looking.