I thought so, but they don't look like it when zoomed in. Might just be quality of the photo. If it is a rock with gems inside, it is a very odd shape... The ones I have seen have a fair thick rock "coating" and these seem to have very thin ones...
https://mobile.twitter.com/GeologyTime/status/1299348749110697984 Twittler feed ^ (thread?) ^ from Nowar Mineral Co. about the huge split open rock. Whoever said Amethyst was correct.