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Fluorite (GEM twin) (ex Irv Brown Collection) viewBack to SPECIAL NEW YEAR'S MINERAL AUCTION - MINIATURES AND THUMBNAILS FROM THE COLLECTION of IRV BROWN - ends January 3, 2019

Sutcliffe Vein, Rogerley Mine, Frosterley, Weardale, North Pennines, Durham, England
  • Starting Time:12/20/2018 07:00:00 PM(CST)
  • Ending Time:1/3/2019 07:00:00 PM(CST)
  • Time Left:Auction Is Closed

  • Size:Thumbnail
  • Size Description:2.0 x 1.8 x 1.7 cm

Description:A fine, sharp, GEM QUALITY Fluorite showing interpenetrant twin on a cube-diagonal twinning axis (as often seen from this locality). This form is what makes these specimens so desirable from the English lead mines at Weardale. Good color saturation for the size, and the inside / "core" actually shows a soft silvery-lilac color, which is unusual in my experience with the material. The piece also shows the classic purple fluorescence that is often seen in Rogerley Fluorites. Minor roughness, but the sharp, lustrous faces and superb transparency makes it high quality Fluorite from any locality.

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