Tourmaline with Lepidolite and Albite (ex Tom Campbell Collection)

Pederneira claim, Sao Jose da Safira, Doce valley, Minas Gerais, Brazil
Miniature, 4.8 x 4.7 x 2.7 cm
Start Time: 06/07/2018 7:00:00 pm (CDT)
End Time: 06/19/2018 7:00:00 pm (CDT)
Auction Closed

Item Description

Beautiful green colored Tourmaline crystals from the famous Pederneira Mine in Brazil. A handful of sharp, lustrous, striated prisms with good internal gemminess measuring up to 3.1 cm sit aesthetically atop white bladed Albite with associated purplish "Lepidolite". It must be noted that Lepidolite is no longer a valid mineral species, and according to the scattered information we found, Lepidolite is defined as a mineral in the so-called Polylithionite-Trilithionite series. With that said, we're still calling it Lepidolite. Pederneria Tourmalines are some of the most prized and acclaimed Tourmalines from any mine in the world. The specimen is in wonderful condition. The only damage I can see is on the termination of the largest crystal where it was removed from the pocket (contacted), otherwise it's pristine as far I can tell. UNLIKE most Pederneira Tourmalines, this piece is NOT repaired, which is quite rare in my experience. The piece displays beautifully without the aid of a base or clay as you can see in the first photo. Valued at $800. From the worldwide collection of Tom Campbell. Tom is a mineralogist and mineral collect who works with us here at The Arkenstone. He has over 35 years of experience in the fields of exploration geology, mining, and applied mineralogy, and has even more years under his belt as a collector! Tom has described many new species over the years, and discovered the rare phosphates Tiptopite, Fransoletite and Pahasapaite. Tom was also a co-author on the second edition of the Encylopedia of Minerals. You can see a list of Tom's published works here ( https://www.irocks.com/thomas-j-campbell-publications-list ).

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