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Crystals, Copper sulphate
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12-July-2021 Monday
Copper sulfate crystal
kolodkinmv
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Copper sulfate crystal
Crystals
Copper sulphate
The photo
Chemistry
07-August-2020 Friday
Attempts with crystals
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Friday [MY]
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Attempts with crystals
Crystals
Copper sulphate
Friday tag is mine
Chemical experiments
Chemistry
21-January-2019 Monday
vitriol
MrSomeone711
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vitriol
Crystals
Copper sulphate
The photo
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