Sunstone is a type of feldspar, which is one of the most common minerals in the Earth’s crust. Feldspar is found in a wide range of colors, from clear to orange and red shades, to green. The hues of ...
This three-part series of articles reviews our current understanding of gemstone coloration. The first part summarizes the factors that ... such as the play-of-color in opal and the blue sheen of ...
Multiple clays mixed with one of the most abundant minerals on Earth, feldspar, fuse with silicates and other mineral oxides with immense pressure and heat to sinter into a manmade stone.
Jaipur: Mining department has initiated plans to allocate 71.11 hectares of pastureland for mining operations. This allocation spans 32 different sites across four districts. The department has ...
Archaeologists recently uncovered a trove of Stone Age artifacts on the seafloor of the North Sea, shedding light on a lost prehistoric land that once bridged Great Britain and mainland Europe.