Leland & Lake Michigan sea slag glass bottle

Leland blue and other beautiful sea slag... Green- Blue- Purple(rare)- Iridescent- All in a little 2 3/4 inch glass bottle... Some have small veins of copper running thru Perfect little gift for the rock hound... geology liver... Lake Michigan history and the copper mines... Slag is what was left after copper was mined in the Great Lakes.. Questions or concerns just ask and I proudly use minimalist and recycled packaging materials!! Will come with a small handwritten note on handmade paper!