Seriously, be careful how you display or store the ball. This is a local story from a month ago.
From MSN and found on other news services:
Ornamental crystal ball starts fire in Wisconsin home
Samantha Kubota 3/11/2021
Sunlight streaming through a window and into a crystal ball apparently caused a couch to catch fire in a Wisconsin home, fire officials said.
It happened Monday afternoon in the town of Delton, about an hour northwest of Madison near the Wisconsin Dells.
© Delton Fire Department Officials said the main floor of the home was significantly damaged in the blaze. (Delton Fire Department / Facebook) According to the Delton Fire Department, the owner came home to discover their house was on fire. An investigation determined the fire started on a couch in the living room.
“The cause of the fire was determined to be from a glass ‘crystal ball’ ornament,” Delton Fire Department said in a post. “The crystal ball had been located on a table near the couch and in direct sunlight. When sunshine came through a large set of windows and through the glass ball, it ignited the couch.”