Pronounced u-art, and short for universal asynchronous receiver-transmitter, the UART is a computer component that handles asynchronous serial communication. Every computer contains a UART to manage the serial ports, and some internal modems have their own UART.
1 Color. 2  Color of a rock depends on the minerals present and on their grain size. 3  Generally, rocks that contain lots of feldspar and quartz are light colored, and rocks that contain lots of pyroxenes, olivines, and amphiboles (ferromagnesium minerals) are dark colored.
Mineral description : Gypsum. 1  Falu mine, Dalarna. On the walls of old mine shafts. 2  Stollgruvan, VÃ¤stra Silfberg, Dalarna. In the dump pile of sulphide ore. 3  Solberga Limestone quarry, Boda, Dalarna. On the walls, resulting from oxidation of marcasite. 4  LÃ¥ngban, VÃ¤rmland. As fracture fillings. 5  Harstigen, Persberg, VÃ¤rmland. As fracture fillings.