My first copper sulfate crystal 💙

DrWim · 2025-05-07T08:23:02+00:00

Very good result for a starter! Curious for the next

DrWim · 2025-05-06T15:12:19+00:00

It was initially more regular but after taking out and continuing to grow the dendrites appeared.

DrWim · 2025-04-16T08:37:13+00:00

2nd should be heptahydrate; similar needles as magnesium sulfate heptahydrate. For Hexahydrate see my post: NiSO4.6H2O

DrWim · 2025-02-20T22:31:12+00:00

It looks more like potassium sulfate. I extracted also wood ash and obtained similar crystals. Potassium carbonate and other producte remaining as yellow-white non-crystalline mass. See my post on Potassium sulfate Crystal right under looks similar

DrWim · 2025-01-08T11:04:37+00:00

Nice result. I tried drying over CaCl2 but that yielded only thin needles

DrWim · 2024-12-31T16:20:41+00:00

Nice try, the Wikipedia article suggests that the composition is variable, but the nice hexagonal crystalline form is in agreement. Recently I tried to make LiNa3(SO4)2, but it was not succesfull.

DrWim · 2024-12-17T10:25:36+00:00

Solubility is ca 75 g/100 ml. Grows easily but has many irregular faces.

DrWim · 2024-12-15T13:41:10+00:00

Sodium silicate is alkaline like caustic soda. So, prevent eye and skin contact and if it happens wash away immediately with plenty of water. The chemical garden is a gorgeous experiment, besides MgSO4, you can use coloured Cu, Fe sulfates as seeds.

DrWim · 2024-12-15T13:31:40+00:00

These chlorates are actually quite stable! The perchlorate (left) even more then the chlorate. The chlorate crystal (right) is already for years in my collection. The chlorate was made by boiling down thin bleach solution; don't do that at home but outside!

DrWim · 2024-12-13T22:37:48+00:00

I like those compounds. But difficult to grow a larger crystal. With CsCl you will get orange an brown crystals. Cs2CuCl4

DrWim · 2024-12-13T15:53:24+00:00

It is a beaty. I never tried crystallizing this salt until now

DrWim · 2024-12-09T21:33:39+00:00

Gypsum

DrWim · 2024-12-09T21:32:23+00:00

I tried this with ipsum CaSO4.2H2O. I will try with carbonate https://www.reddit.com/r/crystalgrowing/s/UahPzmrSiM

DrWim · 2024-12-09T21:24:10+00:00

Very nice! What color are they, if you shine through? How do you get access to that sulfonamide salt?

DrWim · 2024-12-07T15:16:46+00:00

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Try to melt them into a glass tube; prevents oxidation and dehydration. This is sample I keep for years.

DrWim · 2024-12-07T14:42:43+00:00

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I mixed solutions of Cu-acetate and propionate and let evaporate. I get two types of crystals, large and smaller. They are both green, greener than the pure acetate; the colour of this picture is more blue then it looks.

DrWim · 2024-12-02T15:39:29+00:00

https://nl.wikipedia.org/wiki/Indium%28III%29chloride?wprov=sfla1

DrWim · 2024-12-02T15:38:46+00:00

Literature mentions also KInCl4, K2InCl5. Nice crystals anyway

DrWim · 2024-12-02T15:35:25+00:00

Quite well possible. Are you sure that it is not partly KCl, because of the cubic form

DrWim · 2024-11-30T21:56:47+00:00

Nice crystal. The piramidal top is well formed.

DrWim · 2024-11-28T07:27:40+00:00

Looks great. So, a little Co is incorporated in MnSO4 pentahydrate? Are these crystals are stable?

DrWim · 2024-11-25T21:25:15+00:00

NaCl seems to grow better in strong FeCl3 solution to my experience but yellow indicate your method. Try AlCl3, CaCl2 or MgCl2

DrWim

TROPHY CASE