Good buy? Or goodbye?

[gt75]

Seller states it’s Navajo, but he also says this is opal LOL:

Opal? I think not!

I bought this, well knowing it’s not opal, but what is it? $240, 2oz, sterling. [Navaho Native Indian silver & Opal Bracelet 2] [MTE_6892.nometa] [MTE_6895.nometa] [MTE_6896.nometa] [MTE_6898.nometa] [MTE_6900.nometa] [MTE_6910.nometa] [MTE_6927.nometa] [MTE_6929.nometa] [MTE_6936.nometa] [MTE_6941.nometa] [MTE_6981.nometa] [MTE_7022.nometa] [MTE_7027.nometa] Azurite/malachite? Shattuckite? Chrysocolla? Plastic? Glass? Turquoise?