( September 23, 2025, 10:43 AM EDT) -- SAN FRANCISCO — A former cutter, fabricator and/or installer of quartz countertops, who has developed silicosis and pulmonary fibrosis, has sued multiple parties in the California Superior Court alleging they are liable for his injuries because they were negligent and fraudulently concealed the fact that the stone products in question were toxic and that they contained silica as well as other toxins that cause fibrotic lung disease....