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2 specimens found
1 |

Richterite with Magnetite -Superb for locale
stock #0168-JM-2927
Langban (Langbanshyttan)
Varmland, Sweden
7.2 x 4.9 x 4 CM (cabinet)
price: $520
Late Summer 2018

A sizable and well crystalized red-brown Richterite from Langban that is outstanding for this classic locality. Ex John Marshall collection he obtained it in 1992. His collection card notes that he showed it to Carl Francis who said it was "considerably better than the two specimens at Harvard in the Langban case. I checked and it is" He also notes he felt it "equivalent to the specimen on display at the British Museum". All that said there are larger crystals known from several other locales, but this color and habit seem to be unique to Langban, all the other worldwide specimens are black, colorless or a light yellow. Langban minerals tend to be a bit ugly, or microscopic, this is actually a displayable, cabinet sized crystal specimen. Though not an ultra showy, pretty mineral, this is a significant and fine specimen. Crystals to 1.6 CM, there is some damage but also several complete crystals, the smallest are transparent.
Rhodonite -well crystallized, classic specimen, unusual locale
stock #15.1-1024-(SM-2208)A
Harstigen, Pajsberg (Persberg)
Varmland, Sweden
8.4 x 6 x 4.4 CM (cabinet)
price: $700
Winter 2016-17

An incredible Swedish Rhodonite with excellent color, sharp crystals and fine pedigree. Ex University of Chicago collection with original label noting this was a donation by George English, likely well over 100 years ago. Several crystal lined vugs are on the matrix, the largest being 5.5 CM across. Some broken crystals are noted but not very evident without magnification, overall the condition is quite good especially given the age of this piece. From a small but noted old Iron mine, there are some tiny orange garnet crystals (likely Grossular), Diopside and an unidentified black mineral in the mix. We have not seen another with such good esthetics and the color is a rich red and not the typical pink.
2 specimens found
1 |