Bismuth crystal is a kind of beautiful crystal with high cost performance ratio and simple production method. It can be easily made at home. Today I will teach you.
Operation method
Buy bismuth
Put it into a stainless steel pan to heat and melt bismuth. After melting, it will quickly oxidize and condense on the liquid surface to form an oxide film
Pour the molten bismuth into the preheated measuring cup, and then put it on the furnace with residual temperature to cool down slowly.
After cooling a little, pour the excess liquid bismuth back into the pot for the next time.
After cooling, you can make the bismuth crystal you want. Cheer!