File:Agrellite-1209985.jpg

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Description
English: Agrellite (Size: 11.0 cm x 9.0 cm x 4.6 cm)
Locality: Kipawa alkaline complex, Les Lacs-du-Témiscamingue, Témiscamingue RCM, Abitibi-Témiscamingue, Québec, Canada
Original description: Agrellite is a very rare sodium calcium silicate, and the best examples of the species are found at the Kipawa Alkaline Complex in Quebec, Canada. This piece is one of the largest, richest, thickest examples of the species that we've ever had. It is loaded with semi-fibrous crystals of a soft greenish-grey hue which are associated with purplish-red eudialyte on matrix. The agrellite crystals are slightly translucent when backlit. My favorite aspect of the piece is that the crystals are curved/bent in areas, and almost reminds me of crystals of chrysotile I've seen with a similar shape. Under SW UV light the piece fluoresces a vivid magenta hue. A fantastic example of this incredibly hard to find classic material. From the worldwide collection of David Burgess (1951-2016) with a label from noted rare species dealer Josef Vajdak. David was a prolific species collector from Newington, Connecticut, and the namesake for the extremely rare cobalt arsenate species burgessite, which he discovered.
Deutsch: Agrellit (Größe: 11,0 cm x 9,0 cm x 4,6 cm)
Fundort: Kipawa Alkalikomplex, Les Lacs-du-Témiscamingue, Témiscamingue RCM, Abitibi-Témiscamingue, Québec, Kanada
Beschreibung: Agrellit ist ein sehr seltenes Natrium-Calcium-Silikat, und die besten Exemplare dieser Art findet man im Kipawa Alkaline Complex in Quebec, Kanada. Dieses Stück ist eines der größten, reichhaltigsten und dichtesten Exemplare dieser Art, die wir je hatten. Es ist mit halbfaserigen Kristallen von zart grünlich-grauer Farbe besetzt, die mit violett-rotem Eudialyt auf der Matrix vergesellschaftet sind. Die Aglilitkristalle sind im Gegenlicht leicht durchscheinend. Mein Lieblingsaspekt des Stücks ist, dass die Kristalle in einigen Bereichen gekrümmt/gebogen sind und mich fast an Kristalle von Chrysotil erinnern, die ich in ähnlicher Form gesehen habe. Unter SW-UV-Licht fluoresziert das Stück in einem lebhaften Magenta-Ton. Ein fantastisches Beispiel für dieses unglaublich schwer zu findende klassische Material. Aus der weltweiten Sammlung von David Burgess (1951-2016) mit einem Etikett des bekannten Händlers für seltene Arten Josef Vajdak. David Burgess war ein produktiver Sammler aus Newington, Connecticut, und Namensgeber für die von ihm entdeckte, extrem seltene Kobaltarsenat-Art Burgessit.
Date before April 2022
date QS:P,+2022-04-00T00:00:00Z/7,P1326,+2022-04-00T00:00:00Z/10
Source https://www.mindat.org/photo-1209985.html (Mindat-ID 5J5-V3W)
Author
Robert M. Lavinsky  (1972–)  wikidata:Q56247090
 
Alternative names
Robert Matthew Lavinsky; Lavinsky, Robert M.; Lavinsky R M
Description American mineral collector and mineral dealer
iRocks.com (Mineralogical Record)
Date of birth 13 December 1972 Edit this at Wikidata
Location of birth Columbus
Authority file
creator QS:P170,Q56247090
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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current12:05, 30 January 2023Thumbnail for version as of 12:05, 30 January 2023945 × 947 (134 KB)Ra'ike (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Agrellite (Size: 11.0 cm x 9.0 cm x 4.6 cm) :: ''Locality:'' Kipawa alkaline complex, Les Lacs-du-Témiscamingue, Témiscamingue RCM, Abitibi-Témiscamingue, Québec, Canada :: ''Original description:'' Agrellite is a very rare sodium calcium silicate, and the best examples of the species are found at the Kipawa Alkaline Complex in Quebec, Canada. This piece is one of the largest, richest, thickest examples of the spe...

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