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Wait until the top is partially solid. There should be a few pieces of solid bismuth floating and liquid still around them. Using pliers keep moving the largest solid piece around to keep it from freezing solid with the sides. There is a crystal hanging down from this solid bismuth piece into the liquid.
Basically, bismuth atoms prefer to attach to the edge of a growing crystal rather than the faces. The result is that the crystal never fills in, but instead you get a fractal structure that consists of a large number of steps. The steps are rectangular because bismuth strongly prefers that crystal morphology.
What I've actually found is the slowest way to cool the metal is an oven at just below the melting point of bismuth. This had worked best for me BUT alot of people use other methods and are way more successfull and consistent at getting crystal growth. What I can say for 100% certain is the best way to get vibrant colors on freshly exposed ...
Welcome :) First of all, bismuth is an element, a pretty cheap one at that. So what I did was buy around 1kg of very pure bismuth metal and melt it (you can melt in on a stove, it melts at around 271 Celsius). After it melts, I insulated it so the crystals have time to grow by cooling slowly. After that, I dumped the excess liquid bismuth and ...
The place for Bismuth related discussion. Around here it's always Bismuth time! Rules: 1. All posts and comments shall be respectful and remain civil. 2. Any statement made relating to Bismuth must have a scientific basis, any claims that cannot be proven will be removed and may result in a ban. 3. Spam of any form is not allowed. 4. Ask questions, and participate in the wonderful community r ...
Bismuth has an unusually low decay energy and thus it's half-life is great. Compare with Polonoium-210 that has a much higher decay energy, and thus a much shorter half-life ( 138 days ). The reason Bismuth has such a low decay energy is basically that it's constituent particles kinda "fit" well together when you consider their quantum ...
Bismuth crystals are relatively small, the "steps" in the Bismuth are really small, which means the object is your render is small if it was in real life. As such any photo taken of it will have a shallow depth of field. Photographers can work around this will all sorts of things, but for realism I would probably add some strong depth of field.
Due to its rather weird (for a metal) thermal properties, bismuth crystals prefer to grow at the edges. This is what leads to the staircase pattern it is known for, especially hopper crystals. For the name (that most people will only know from minecraft): its based on train wagons used for loose materials (e.g. coal, rocks) which were called so.
A community for chemists and those who love chemistry. why do bismuth crystals look like this? Colour comes from bismuth oxide formed on the surface of the metal due to contact with oxygen in air, pure bismuth has metallic colour. Differences in colour are due to thickness of oxide layer.
Much thanks!!!!!!!! My understanding of a fractal is that it looks the same as you zoom in further and further. So I'd think bismuth is definitely fractal-like if not actually fractal. Your project would probably be to understand how/why bismuth molecules bond with eachother the way that they do. "Just look at it, and tell me that ain't a fractal."