How to snag the Sun Quartz in Resident Evil Requiem

In Resident Evil Requiem, Grace needs the Sun Quartz to escape the creepy Rhodes Hill Chronic Care center. To get it, she must unlock the East Wing with a Red Jewel, face some zombies, and collect Antique Coins for upgrades. After a wild adventure, she finally grabs the Sun Quartz and moves on to the next challenge!