Fig. 3From: Characterizing ancient jade by on-site analysis in Sanxingdui, ChinaPhotographs and Raman spectra of the four jade artefacts from Sanxingdui pit K8 (A jade zhang forked blade, K8⑥YQ: 8; B jade guan tubular bead, K8⑦YQ: 4; C jade collared huan ring, K8⑦YQ:44; D jade zao chisel, K8⑦YQ:44; Standard Raman spectra of tremolite and diopside from the Database of The RRUFF™ Projec. https://rruff.info/)Back to article page