Detailed information
Species
Topaz
Dimensions
35 x 33 x 21
mm
Locality
Nujiang Valley (Gaoligong Shan) Nujiang Autonomous Prefecture Yunnan Province, China
Condition
No recorded repairs
Two inter-grown, lustrous, colourless gemmy crystals of Topaz from the Nujiang Valley in China. This miniature measures to 3.3 cm and displays fine multi-faced terminations. Pegmatite outcrops in the highlands along the Nujiang (Nu river) valley, which extends for about 200 km from Gongshan County in the north, through Fugong County in the centre, to Lushui County in the south. The Gaoligong mountains are the highlands to the west of the valley.