Ammonium sulphate.

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billben74
Posts: 1020
Joined: Sat Dec 26, 2015 10:33 pm
Location: Cambridge, UK

Ammonium sulphate.

#1 Post by billben74 » Sun Nov 26, 2017 7:30 pm

Hello all. I've had ago at ammonium sulphate before (although sadly this post is a vicim of photobucket...)
Its a melt as it melts at 243 so you put it on the slide, put a cover slip on top and then heat till the ammonium sulphate melts and allow to recrystalise.
The slides are very transient - 12 - 24 hours.
Its fun watching them develop though.

Anyway each are about 400 images via stacking and stiching x200.
BetterCompColouredSpheres5PossibleMaster1024.jpg
BetterCompColouredSpheres5PossibleMaster1024.jpg (469.08 KiB) Viewed 2142 times
and
StormyWeatherCrystalSpheres5PossiblyMaster1024.jpg
StormyWeatherCrystalSpheres5PossiblyMaster1024.jpg (246.23 KiB) Viewed 2142 times

JimT
Posts: 3247
Joined: Fri Oct 24, 2014 1:57 pm

Re: Ammonium sulphate.

#2 Post by JimT » Sun Nov 26, 2017 11:14 pm

Polarization is so much fun. Great to experiment with different objects to see how they crystallize.
Seems like each one is at least a little unique.

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vasselle
Posts: 2763
Joined: Sat Oct 25, 2014 5:32 pm
Location: France

Re: Ammonium sulphate.

#3 Post by vasselle » Mon Nov 27, 2017 3:57 pm

Bonjour
Jolies images.
Cordialement seb
Microscope Leitz Laborlux k
Boitier EOS 1200D + EOS 1100D

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