For anhydrite and talc, mass concentrations of 10% and 15% are also considered. Anhydrite is the calcium component of the copper mine. Therefore, in contrast to the other particles, additional tests ...

The stunning cave in Naica, Mexico, is home to some of the largest crystals on Earth, but harsh conditions can kill those who stay too long.

Then you have anhydrite, which is calcium sulfate without the water. Below 136 degrees Fahrenheit, gypsum is the more stable compound, and anhydrite will effortlessly dissolve in water, ...

The Economic and Financial Crimes Commission has arraigned two Chinese nationals, Zhang Hong Lin and Gao Pei Hai, before the Federal High Court in Lagos, on charges of alleged illegal mining and ...

EDM Resources Inc. (TSXV: EDM) (FSE: P3Z) ("EDM" or the "Company") is pleased to announce that it has entered into a ...

THE differential thermograms of calcium sulphate dihydrates (gypsums) show two relatively large endothermic effects in close sequence below 250° C. There is general agreement1,2 that these two ...

Detailed price information for Adyton Resources Corp (ADY-X) from The Globe and Mail including charting and trades.

The Economic and Financial Crimes Commission, EFCC, yesterday, arraigned two Chinese nationals, Zhang Hong Lin and Gao Pei Hai, before a Federal High Court, sitting in Lagos, on five counts of ...

A stunning underground cavern, hailed as the “Sistine Chapel of crystals”, has been found to have a deadly secret. The cave, which is located in Chihuahua, Mexico, is filled with some of the largest ...

In Germany, the 2.5km-long Engelberg tunnel is being rehabilitated to fix the deformation of its concrete lining caused by naturally occurring anhydrite, which swells on contact with water. The BauBot ...