Robert B. Cook

1. Minerals and Gemstones of East Africa by Bruce Cairncross. Strunk Nature–Penguin Random House of South Africa; www.penguinrandomhouse.co.za. 144 pages; 2019; R250 (softbound)
   2020/06/10 by Robert B. Cook · 3 citations
   Social Sciences · #Archaeology and Rock Art Studies
2. Connoisseur's Choice : Spodumene var. Kunzite, Nuristan, Afghanistan
   1997/09/01 by Robert B. Cook · 1 citation
   Social Sciences · #Eurasian Exchange Networks
3. The Hoppel Collection of Fine Minerals—Auction 1 by Heritage Auctions, 3500 Maple Ave., Dallas, TX 75219; HA.com. 2013; 217 pages; 50 (softbound)
   2013/10/18 by Robert B. Cook · 1 citation
   Earth and Planetary Sciences · Environmental Science · #Archaeological Research and Protection #American Environmental and Regional History
4. Connoisseur's Choice: Sphalerite, Eagle Mine, Gilman, Eagle County, Colorado
   2003/10/01 by Robert B. Cook · 1 citation
   Computer Science · Earth and Planetary Sciences · #Archaeology #Bald eagle #Biology #Eagle #Ecology #Geochemistry and Geologic Mapping #Geography #Geological and Geochemical Analysis #Geology #Mineralogy and Gemology Studies #Paleontology #Quartz #Sphalerite