Sand. 1 Cubic Yard of Sand can weigh between 2,600 to 3,000 lbs. or up to one and a half tons approximately. 1 Ton of Sand will cover between 80 to 100 square feet at a 2 inch depth approximately.
Tellurium was discovered by Franz Joseph Muller von Reichstein in 1783 at Romania. Origin of name: from the Latin word  tellus  meaning  earth . Tellurium was discovered in gold ores by Franz Joseph MÎ´ller von Reichenstein, the chief inspector of mines in Trannsylvania in 1782.However tellurium was named by M. Klaproth, who isolated it in 1798, after he continued MÎ´ller von Reichenstein's work.ellurium was discovered in gold ores by Franz Joseph MÎ´ller von Reichenstein, the chief inspector of mines in Trannsylvania in 1782. However tellurium was named by M. Klaproth, who isolated it in 1798, after he continued MÎ´ller von Reichenstein's work.
Klaproth confirmed Mueller'mÃ¼ller s. Discovery he suggested the name, tellurium from The latin word, tellus Meaning.. Earth tellurium is often found with another, element. Selenium that element was discovered 30 years later and named in honor of The. moonhe elements that make up Group 16 (VIA) of the periodic table are sometimes called the chalcogens. This name comes from the Greek word for bronze ore, chalkos. The first two elements in the family, oxygen and sulfur, are often found in such ores. Tellurium is the next to last member of that family.