News
Harvard Art Museums Receive Important Gift of A...
The Harvard Art Museums announce a transformative gift of 21 works of 18th-century American silver from the collection of Daniel A. Pollack and Susan F. Pollack. The gift comprises a...
Harvard Art Museums Receive Important Gift of A...
The Harvard Art Museums announce a transformative gift of 21 works of 18th-century American silver from the collection of Daniel A. Pollack and Susan F. Pollack. The gift comprises a...
Uganda has 31 million tonnes of gold ore.
KAMPALA (Reuters) - Uganda said recent exploration surveys have shown it has gold ore deposits of about 31 million tonnes and it wants to attract big investors to develop the...
Uganda has 31 million tonnes of gold ore.
KAMPALA (Reuters) - Uganda said recent exploration surveys have shown it has gold ore deposits of about 31 million tonnes and it wants to attract big investors to develop the...
Quartz
Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two...
Quartz
Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two...