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Julgoldite-(Fe2+) from
O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Julgoldite-(Fe2+)
Formula:Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
Comments:Associated with prehnite, calcite, quartz, pumpelleyite-(Fe3+) and sometimes with babingtonite.
Habit:micro radiating acicular aggregates or botryoidal
Colour:dark green to black
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Vajdak, Josef. (1998): New Mineral Finds in the Second Half of 1997, News from Josef Vajdak of Pequa Rare Minerals and Metals. Mineral News: 14(1): 4.; Martins da Pedra specimen
Associated Minerals Based on Photo Data:
Calcite5 photos of Julgoldite-(Fe2+) associated with Calcite at this locality.
Prehnite3 photos of Julgoldite-(Fe2+) associated with Prehnite at this locality.
Quartz2 photos of Julgoldite-(Fe2+) associated with Quartz at this locality.
Data
Mineral Data:Click here to view Julgoldite-(Fe2+) data
Locality Data:Click here to view O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
Photo GalleryView Gallery (3 photos)
 
Mineral and/or Locality  
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