The Brief The Violet Stone is a family-owned restaurant in St. Petersburg, Florida, serving old-school, well-done pizza and authentic Philly cheesesteaks. A taste of Philadelphia has found a new home in St. Petersburg, Florida, and it's called The Violet Stone. Big picture view:Unlike other restaurants, The Violet Stone bakes its own bread fresh every single day. When it comes to pizza, The Violet Stone has carved out its own niche by specializing in well-done pizza. While The Violet Stone is a brand-new building with a new dining room and bar, it carries that same spirit of a community-centered spot.