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Chrysocolla (Kay Robertson Coll.) viewBack to PRE-CHRISTMAS END OF THE YEAR MINERAL COLLECTION AUCTIONS:
featuring OLD CLASSICS, GEM CRYSTALS and RARE SPECIES - ends Thursday Dec 20th, 2018

Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona
  • Starting Time:12/13/2018 06:30:00 PM(CST)
  • Ending Time:12/20/2018 06:30:00 PM(CST)
  • Time Left:Auction Is Closed

  • Size:4.6 x 3.5 x 2.6 cm
  • Size Description:Miniature

Description:Bright multi-hued rich green and teal-green bubbly chrysocolla botryoids cover the undulating gossan matrix on this aesthetic and rich miniature specimen from the Helvetia area, near Tucson. Ex Kay Robertson Collection # 6939 and acquired from Kristalle in June, 1973. 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). Specimens of this richness, quality and color are seldom on the market from here. A MUST for the species or Arizona collector.

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