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.
The origin of the name. T. en centuries of obscurantism followed the fall of the Roman empire. Then, from the 14th until the 16th century, erudites, Italians first, French and Germans then, put again direct study of ancient litterature, Hebraic, Greek and Latin, in honour.oday, one can also find the name Sartorius in South Africa, Canada, Ireland and Italy. It likely comes from Germany or the Netherlands in the first case, from Germany through the United States or from England in the second one and from England in the third one.