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| Keywords: Daqingshanite-(Ce)-283082.jpg en Locality Poudrette quarry Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire Mont Saint-Hilaire La Vallée-du-Richelieu RCM Montérégie Québec Canada FOV 1 3 x 1 5 mm Via Monteregian Minerals LH Stereo pair MOB coll The pale yellowish triangular xl in the center is daqingshanite It is actually a trigonal pyramid that looks like a shallow tetrahedron The xl is less than 0 4 mm on edge Daqingshanite is a very rare mineral According to Horvath Min Rec 1990 it was probably found only once at MSH I used stereo because the xls are very pale and on a very pale background Stereo overcomes the lack of contrast to some extent There are two other daqingshanite xls in the photo but they are even smaller and very hard to spot due to their size and orientation Again - stereo helps 2012-10-21 11 51 52 http //www mindat org/photo-283082 html Modris Baum other versions cc-zero Daqingshanite- Ce | ||||
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