Bigger, Harder, Stronger, Homemade Piezoelectric Crystals

Thursday, August 25th, 2011 | Building Things

Had a bash at making larger Rochelle Salt crystals using this method. Initially used too much water and nothing formed overnight. I reheated the liquid and added more Sodium Carbonate until milky, then added Cream of Tartar until it went clear again. Seems like the larger bowl I formed the crystals in coupled with the slightly stronger liquid worked a treat. Most of the following are about 3-4cm in size.

Click to enlarge….


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3 Comments to Bigger, Harder, Stronger, Homemade Piezoelectric Crystals

[…] UPDATE – Check out my larger crystals. […]

doug luce
August 25, 2011

excellent! where’s the recording from this crop?

doug seidel
September 19, 2011

The batch i made yesterday did not crystalize overnight – i will try as you describe above, hopefully that will work. Do you think it may require more than 24 hours? (i want to make sure i give it enough time…)

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