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Sphalerite ("Ruby Jack") (RARE locality specimen) (ex Kay Robertson Collection) viewBack to POST-DENVER FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday October 11th, 2018

Holzappel Mine, Holzappel, Laurenburg, Lahn Valley, Rhineland-Palatinate, Germany
  • Starting Time:10/4/2018 06:45:00 PM(CDT)
  • Ending Time:10/11/2018 06:49:25 PM(CDT)
  • Time Left:Auction Is Closed

  • Size:Miniature
  • Size Description:4.6 x 4.0 x 3.4 cm

Description:This is the ONLY specimen of Sphalerite we've seen from this locality. It is a fine group of sharp, well-formed, lustrous, deep reddish-brown "Ruby Jack" crystals showing a predominant dodecahedral habit free of matrix. Good shape all around, save the bottom where it was removed from the pocket wall. It has a wonderful, showy, eye-catching three-dimensional shape, almost like a Sphalerite "snowman". Valued at $750 for size, quality, color and the fact that they are essentially impossible to obtain. Ex Kay Robertson Collection (#2371). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).

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