Published : Thursday, May 26, 2016 | 2:08 PM
The text on the package told of how crystal would form on the rock if vinegar was added to the rock and allowed to evaporate, at which time the Aragonite crystals would appear.
This is indeed what happened to the delight of the teachers and students. (Click on this link to see the transformation!)
Clairbourn School, 8400 Huntington Drive, San Gabriel, (626) 286-3108 or visit www.clairbourn.org.