Laser Safety Glasses - Holmium Laser. 1  On this page you will find our range of Holmium laser safety glasses , Ruby laser safety glasses, Dye and Erbium Laser Safety Glasses. If you cannot find suitable eyewear for your laser please dont hesitae to contact as we have many types not featured on the website.
Covelli Enterprises. Covelli Enterprises was founded in 1959 by Albert Covelli and its first restaurant was McDonald's. There have been many changes at Covelli since 1959, specifically the restaurants in its portfolio but the values have stayed constant. The firm still emphasizes treating customers and employees with respect and dignity.
Best Answer: Covellite is a rare copper sulfide mineral and has the formula CuS. This indigo mineral is pervasive in copper ores. The mineral is found in limited abundance and is not an important ore of copper itself, although it is well known to mineral collectors. The covellite occurs throughout the United States. In Silver Bow County, Montana, a covellite has been found in veins at depths of 1,150 meters, as the primary mineral. Covellite formed as clusters in these veins reaching one meter across in Leonard mines, Montana.