Steve Stuart's Gallery

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Natrolite : Na2[Al2Si3O10] · 2H2O, Ancylite-(Ce) : SrCe[OH|(CO3)2] · H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Two intergrown natrolite crystals perched on ancylite-Ce. The photo is 2.5 mm in length. Notice the shallow pyrimidal termination on the left side of the larger crystal. The photo is enhanced with Picasa 2.0 software. The specimen is in my collection.
© SMS 2005	Photo ID: 31580    View Count: 385
Natrolite : Na2[Al2Si3O10] · 2H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Natrolite scepters (or sceptres!). Associated minerals are serandite, polylithionite and aegirine. The photo is 2.5 mm in length and was taken by Steve Stuart. The specimen is in his collection.
© SMS 2005	Photo ID: 32637    View Count: 376
Natrolite : Na2[Al2Si3O10] · 2H2O, Calcite : CaCO3
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Two clear, yellowish natrolite prisms with frosted pyramidal terminations. Associated minerals are calcite, ancylite-(Ce) and analcime. Photo is 2.5 mm in length. Photo and specimen: Steve Stuart.
© Steve Stuart 2005	Photo ID: 37253    View Count: 335
Natrolite : Na2[Al2Si3O10] · 2H2O
	Glenarm, Co. Antrim, Northern Ireland, UK Spray of stubby, water-clear crystals of natrolite. Photo is about 2.2 mm in length. Photo and specimen; Steve Stuart.
© SMS 2007	Photo ID: 129721    View Count: 152
Natrolite : Na2[Al2Si3O10] · 2H2O
	Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA Natrolite crystals with inclusions. Photo is about 4.3 mm in length. Photo and specimen: Steve Stuart.
© SMS 2008	Photo ID: 151017    View Count: 181
Nenadkevichite : (Na,[])8Nb4(Si4O12)2(O,OH)4·8H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Unusual capped or sceptered prism of nenadkevichite. The source of this specimen says that microprobe analysis shows no difference in chemistry between the cap and the prism. Photo is abot 2.2 mm in length. Photo and specimen: Steve Stuart.
© SMS 2006	Photo ID: 75684    View Count: 155
Nenadkevichite : (Na,[])8Nb4(Si4O12)2(O,OH)4·8H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Nenadkevichite prism with six-sided cap. The source of this material says that analysis of the cap and prism show the same composition. Photo is about 2.2 mm in length. Photo and specimen: Steve Stuart.
© SMS 2006	Photo ID: 75690    View Count: 150
Nenadkevichite : (Na,[])8Nb4(Si4O12)2(O,OH)4·8H2O, Ancylite-(Ce) : SrCe[OH|(CO3)2] · H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Interesting association of pale pink ancylite-(Ce) with "sandwich"-type nenadkevichite. Photo is about 4.3 mm in length. I obtained the specimen from Gilles Haineault at the 2008 Rochester Mineralogical Symposium. The white coating on the pinacoidal faces of the nenadkevichite fluoresces green under SW, MW and LW UV light. Photo and ...
© SMS 2008	Photo ID: 162079    View Count: 111
Nenadkevichite : (Na,[])8Nb4(Si4O12)2(O,OH)4·8H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Tabular crystals of nenadkevichite on albite. Associated on the same specimen are brookite, synchysite-(Ce), and other minerals not yet IDed. I obtained the specimen from Gilles Haineault at the 2009 Rochester Mineralogical Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.
© SMS 2009	Photo ID: 247351    View Count: 67
Nenadkevichite : (Na,[])8Nb4(Si4O12)2(O,OH)4·8H2O
	Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Tabular nenadkevichite on albite, identified visually with the help of several Mindaters well-informed about the mineralogy of Mont Saint-Hilaire. Image is about 2 mm in length. Photo and specimen: Steve Stuart.
© SMS 2009	Photo ID: 251683    View Count: 16

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