 Engineered quartz however may be damaged by heat unlike granite.In July 2011, Cambria purchased Sun Country Airlines out of bankruptcy for $34 million after the collapse of the Ponzi scheme of Tom Petters and Petters Group Worldwide, the former owner of the airline.A silo, located on US 169 between St. Peter and Le Sueur, is rented by Cambria to store quartz granules and slabs.