Depending on the shifting angles and your light source, the terminated end of this tourmaline crystal shows bands of blues and greens topped with a dark band.  Some fractured quartz is also present in the albite matrix.  The origin of this specimen is Shigar Valley, Gilgit, Pakistan.  
It weighs 70 grams and has dimensions of 4 cm x 4.5 cm x 3.5 cm. (A602188)