to preserve something naturally using calcium carbonate is known as petrifying.
white
The petrifying well.
Petrify, Petrifying
=Yes! Many people=
Atrocious or Bone-Chilling
bloodcurdling,ghastly,petrifying,gruesome,grisly,demonic
The correct spelling is "petrifying" (extremely frightening, as in "scared stiff").
Pointless, Pathetic, Petrifying, Puke-inducing... :P
horrifying, frightening, creepy, nailbiting, gut-clencher, Petrifying,
Spooky Dark Alarming Terrifying Petrifying Hair-raising Spine-chilling Blood-curdling Bone-chilling Horrifying Frightening Creepy Nailbiting Gut-clencher Petrifying
Medusa, one of three gorgons. She could turn people to stone by making eye contact with them.
The conflict was that a mysterious monster was petrifying the students, and nobody was sure who had released the monster.