What stone or man made material is this?

[wardbraun]

Hi, thought I already posted this but I must have deleted instead of post! Can anyone tell me what this is made of? Has lots of sparkle and sterling finding on leather cord. Thanks for any help!!

[mforjan]

Looks like goldstone, a man mad material I think 

[southernmermaid8]

Yes , goldstone is made from copper flakes in glass . Comes in this shade and deep navy blue .

[southernmermaid8]

Forgot to say , my grandma called it Sandstone .