Silvery liquid

There exists a potion that is described as a silvery liquid that foams and froths. The potion sparkles as though it contains ground diamonds. Its effect is unknown.

Behind the scenes

 * This potion is only mentioned as a possible answer to a hypothetical question posed during the sorting quiz on Pottermore. Therefore, it is unclear if a potion like this truly exists.

Appearances

 * Pottermore