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ex. Marilyn Dodge
First, the a .4 cm white hexagonal tabular crystal of the very rare Zektzerite. Add to that a sharp crystal of Arfvedsonite: it’s a .8 cm hexagonal prism, with superb luster and perfect edges. Now, either one of these by themselves would be a treat to own, but to have them together on the same specimen and so aesthetically paired is very hard to come by
Small crystals of Britholite, in Arfvedsonite. The faces on the left and top are probably natural, with the lower-right faces being cleavage planes. This specimen was exchanged to Harvard University from the University of Copenhagen Museum collection, before being traded out to Lawrence Conklin. From the type locality,
ex. Ernie Schlichter
This is a super lustrous and fine, large crystal of arfvedsonite. It is significant for the species not just for the outright quality and ustre, but for the location as well - an unusual mineralogical occurrence known as the type locality also for zektzerite and okanoganite. It is well terminated all around except for a contact point on the back of the termination. For a black mineral, its awfully good!
ex. John White
A REALLY fine , super sharp crystal of arfvedsonite on a bit of amphibole matrix, from this classic and important old East Coast locale. The crystal is 2 cm tall and razor sharp, superb for a US specimen of this species
ex. John White
I had never heard of Juddite before but was surprised to see a reddish mineral from India, associated with braunite, and so assumed it to be a manganese species. It turns out that it is indeed the manganese variety of arfvedsonite, by modern classification. the crystals are bright red, small but beautiful under a scope. The matrix is braunite: Braunite is very rare, and these are old specimens, from India. according to MINDAT: Juddite was named by Lewis Leigh Fermor in 1908 in honor of John Wesley Judd [February 18, 1840 – March 3, 1916]. Judd was a field geologist and petrologist for the British Geological Survey and later professor of geology at the Imperial (Royal) College in London, England.
A wonderful matrix example of the superb ARFVEDSONITE crystals which have been found at this locality in recent years. However, most are loose crystals and also etched to some extent. This aesthetic, balanced specimen has several well-terminated crystals to 4 cm, perched on contrasting crystallized matrix and presenting as fine a termination as I have ever seen for the species. Minor black aegerines are also in attendance. Not the most glamorous of species, I admit, but this is nevertheless a significant find for it and this is one of the better specimens I know of from seeing 5 or 6 years' worth of production. It is well known that the best of this material went to Europe and that a dealer named Helmut Brueckner obtained a stash of very choice pieces about 3 years ago. This is one from that lot, which he provided as Leithauser's main supplier of specimens.
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MCW7 - Arfvedsonite - SOLD
Mont St. Hilaire, Quebec, Canada small cabinet, 7.8 x 4.4 x 1.4 cm |
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MD-132373 - Arfvedsonite, Quartz (Var: Smoky Quartz), Feldspar Group - - Archived
Mt Malosa, Zomba District, Malawi small cabinet, 5.5 x 3.8 x 2.6 cm. |
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MD-20221 - Arfvedsonite - - Archived
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada small cabinet, 7.8 x 4.4 x 1.4 cm |
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MD-203261 - Arfvedsonite, Zircon - - Archived
Mt Malosa, Zomba District, Malawi small cabinet, 7.5 x 4.6 x 3.8 cm. |
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MD-229641 - Aegirine, Arfvedsonite - - Archived
Mt Malosa, Zomba District, Malawi small cabinet, 7.6 x 2.2 x 1.8 cm. |
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MD-230528 - Arfvedsonite, Aegirine - - Archived
Mt Malosa, Zomba District, Malawi miniature, 4.5 x 4.0 x 2.4 cm. |
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