
potassium perchlorate pure
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potassium perchlorate with small amount of permanganate dopant
|

potassium perchlorate with larger amount of permanganate dopant
|

large specimen of ammonium cobalt sulfate
|

ammonium magnesium sulfate doped with nickel
|

potassium dichromate
|

ammonium dihydrogen phosphate
|

ammonium dihydrogen phosphate
|

ammonium dihydrogen phosphate
|

crystal in the crystal
|

potassium alum colored with dye
|

potassium alum colored with dye
|

potassium alum colored with dye
|

ammonium ferrous sulfate
|

ammonium ferrous sulfate
|

sodium ferrocyanide
GUEST EXHIBIT !
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