Alain also showed me another fine Moroccan erythrite
to add to the ones I had bought from him during a quick trip to Paris just a month before (I do love France
In 1855, he showed that erythrite
was a tetratomic alcohol rather than a sugar , and five years later recognized that mannit was a hexabasic alcohol .
The first cobalt claims in the district were located in 1901 by John Belliel, probably on outcrops of erythrite
or "cobalt bloom" along the West Fork of Blackbird Creek.
The Tynebottom mine has produced an interesting suite of nickel and cobalt-containing minerals including erythrite
, safflorite, nickel-skullerudite, violarite, rammelsbergite, annabergite, and some very attractive specimens of drusy calcite and "flowstone" colored pink to deep magenta by micro-inclusions of erythrite
, or blue by copper salts.
Bou Azzer has produced the world's finest specimens of erythrite
, roselite, roselite-beta, talmessite, wendwilsonite, skutterudite and gersdorffite.
They're all here, in multiple samples ranging in quality from "study grade" to absolutely superb: Freiberg acanthite and stephanite, Schneeberg proustite and erythrite
and roselite and uranium-bearing species, Andreasberg pyrargyrite and dyscrasite and fluorite and pink apophyllite, Siegerland malachite and anglesite and millerite and galena, Schwarzwald fluorite and barite and silver, Obermoschel cinnabar and moschellandsbergite, Ems pyromorphite and cerussite, Johanngeorgenstadt mimetite, Ohrenstock hausmannite, Fichtelgebirge topaz and microcline and herderite, Ehrenfriedersdorf cassiterite and fluorapatite, Ilfeld manganite, Ronneburg whewellite, Hagendorf phosphates .
Associated minerals are: cobaltite, pyrite, chalcopyrite, quartz, garnet (Al-rich), scorodite and erythrite
The rest of the Freiberg case had classic specimens which were used as models for East German postage stamps, including a Neudorf galena, an erythrite
and a rich red proustite.
Specimens Pendeville received in exchange from Ehrmann included a large Japanese stibnite from the Ichinokawa mine, approximately 25 cm tall; a kunzite from the Galileia area, Minas Gerais, Brazil; an erythrite
from BouAzzer, Morocco; a semseyite; and a large wulfenite matrix specimen from Los Lamentos, Chihuahua.
grabbed our eye on one side, a shell dealer on the other side.
4) Secondary arsenates including adamite, erythrite
, karibibite, parasymplesite, pharmacosiderite, olivenite, schneiderhohnite, and villyaellenite from the Veta Negra mine near Los Loros.
Other Moroccan items of interest included erythrite
miniatures with crystals up to 1 cm, some skutterudite specimens with crystals to 2 cm, roselite (or wendwilsonite?