Band of sketchers prompt today hard. Carborundum is a man made creation, it’s exotic, iridescent, rainbow covered spikes are like something from a gothic fairy tale. Carborundum is thought to be a master healer that shines light in all areas of your life and connects to all chakras, purifies mind, body and spirit.’, a crystallography site…(Carborundum, second hardest thing to diamond on the Mo scale)

Lead glass


Lead glass has lead added to it to make it more malleable when it’s being formed into things like lead crystal glasses (although apparently it’s not actually got a crystalline structure). Modern lead glass about 24% lead ( Pb) in it.

It’s renound for its clarity and is shown off when it is engraved with fine lines and geometric patterns.

For more information see Wikipedia.