Vampire Unicorns, 3510 N.E. Third Ave., Camas, welcomes Angel Biederbeck of Columbia River Witches Collective to discuss the properties of  gemstones and crystals, how to care for them and use them in daily life. The workshop, 6 to 7:30  p.m. Dec. 5, is $40 per person. Register at vampireunicorns.xyz/product/crystal-magic-ii-class/.