Siderite, Albite

Photo Copyright © 2000-2002 by John H. Betts. All Rights Reserved.
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Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Large, elongated siderite crystal 6 cm long with partial overgrowth of white albite and pseudomorphs (casts) after natrolite. Unusually aesthetic specimen from this famous locality. No damage. Overall size of mineral specimen: 7x5x4 cm. Size of individual crystals: 5-60 mm.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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