Why not? It is educational and it tastes good, too. [Science with Screens] has a different kind of crystal in mind: copper crystals. You can see the result in the video below. To grow pure metal ...

Copper wire ring with crystal stones - Handmade Jewelry Ideas I would like to share my knowledge and skills so that you can ...

Speaker two That’s excess. We’ve got excess! Success! Speaker one Next we’re going to make the crystals from the copper sulfate by removing the excess copper oxide. Now, as copper oxide is ...