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3 specimens listed
Page   1 |

Pyromorphite - important, historic
stock #1023-JM-553
Berezovsk Mine, Ekaterinburg, Sverdlovskaya Oblast, Middle Urals
Sverdlovsk Oblast, Russia
8.2 x 7.3 x 4.3 CM (cabinet)
price: $2200
Pre Tucson

From the Harvard Museum collection then by trade (1977) to John Marshall, this is a very old specimen originally in the Leibener collection. Exceptional size and quality for this famous Siberian Urals locality where mining began in 1747. Although this was a gold mining area there were many other minerals found there, it is the type locality for 7 species one of which (Crocoite) led to the discovery of the element Chromium. This is an extraordinary rich and significant Pyro specimen from this classic locality, it may be the best extant outside of a major museum. Typical specimens are usually just druzy crusts and association pieces. The Pyromorphite here is deep forest green with the main crystalized mass of 6x5 CM. Individual prisms are up to 6 mm in size though most are under 4mm. In remarkably good condition, no obvious naked eye visible damage but magnification does show several small broken and chipped crystals. Despite this it is still a good display quality specimen and would be a fine addition to any serious Pyromorphite suite or Russian collection.

Pyromorphite/ Vanadinite - Classic locale, Ex. Bally
stock #0653-JM-4225
Berezovsk Mine, Ekaterinburg, Sverdlovskaya Oblast, Middle Urals
Urals Region, Russia
7.6 x 3.8 x 3.3 CM (cabinet)
price: $380
Late Summer 2018

A choice historic piece from the classic Berezovoskii, Ekaterinburg an early gold mine and the type locale for Crocoite. See the Mineralogical record 2016 Vol 47 #4 for a fine detailed article. This is clearly a Pyromorphite and also is labeled as having (and looks like) Vanadinite. Vanadinite is not listed as a specie from here, however this may all be Pyromorphite. This was in the Bally Museum, later with Alain Martaud and last in the John Marshall collection. Old labels are included. The specimen is crystallized on every side, in fine condition. Most of the Pyromorphite I have seen from this famed old Gold mine area are mere green smudges, but this is much more substantial.

Crocoite and Vauquelinite -Type Locality
stock #0654-JM-4287
Berezovsk Mine, Ekaterinburg, Sverdlovskaya Oblast, Middle Urals
Urals Region, Russia
8.8 x 5.6 x 4.3 CM (cabinet)
price: $880
Late Summer 2018

Very rich, fine old classic specimen (with 4 prior labels) that is well crystalized. Excellent color contrast with the bright red Crocoite and green Vauquelinite, This seems to be a late 18th or early 19th century specimen, (what may be a date of 1895 is on one label but it may also be a collection number). The discovery of Crocoite at this locality dates back to 1763 and it has been renamed many times over the years. The style of specimen and the association of good Vauquelinite is typical of the vintage pieces. Ex John Marshall collection, his collection card and a previous label indicate it sold for $12.00 in 1956, a vast sum for any mineral at that time. The August 2016 Mineralogical record article on this locality offer a wealth of information and several other good specimen photos. This specimen is far beyond average quality with only very minor bruising, most crystals are intact and are well exposed on the matrix. Virtually impossible to find this quality now on the market, better in person too.