|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Connecticut > Bertrandite pseudomorph after Beryl
|Bertrandite pseudomorph after Beryl
|Biermann Quarry, Bethel, Fairfield County, Connecticut
|Classic specimen of two bertrandite pseudomorphs after beryl crystals up to 4 cm long at opposite ends in gray quartz matrix. Stands upright nicely without additional support. John Hiller wrote about this site in Rocks and Minerals many years ago. Ex. Earle C. Sullivan (1906-2005), author of History and Minerals of Old Mine Park, Trumbull, Ct.
|For reference only
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