 | | Journal (article/letter/editorial) | | geochemical and gemological properties of opals from Faroe Islands Franca Caucia, Luigi Marinoni, Alberto Leone...photos and 3 tables Abstract: The opals from Faroe Islands are commercially not very relevant but are important...Nice yellowish-red color fire opal and common opals from these islands are also very appreciated by collectors...the opals. A distinct feature of the opals from Faroe is represented by the presence of P; this element...microtextures, would indicate the opals from Faroe Islands formed from different solutions, through variable |  | | Journal (article/letter/editorial) | | XXXII.âOn the Mineralogy of the Faroe Islands. By W. C. TREVELYAN, Esq. F. R. S. E. (Read Nov. 18. 1822...of the principal geological facts I observed in Faroe, which may serve as a supplement to Sir GEORGE MACKENZIE'S...MACKENZIE'S and Mr ALLAN'S accounts of these islands, which, as far as they extend, I found perfectly...or 5"; being the same as the dip in the other islands, excepting in part of Myggenaeas, where it is much...quality much 462 ON THE MINERALOGY OF THE FAROE ISLANDS. much resembles the Scotch coal generally consumed |  | | Journal (article/letter/editorial) | | VII. An Account of the Mineralogy of the Faroe Islands. By THOMAS ALLAN, ESQ. F. R. S. EDIN. [Read...of some Geological Facts observed " in the Faroe Islands," it may be necessary to explain why our communications...light we derived from some of the appearances in Faroe. I shall content myself with aiding the labours...investigations, which neither of the accounts of Faroe published are capable of doing *. In the following...with a few observations on the geology of the islands. To this I shall not attempt to add a description |  | | Report (chapter) | | The effects of Cenozoic compression within the Faroe â Shetland Basin and adjacent areas J. DEREK RITCHIE...The effects of Cenozoic compression within the FaroeâShetland Basin and surrounding areas are mainly...numerous, though they are mainly restricted to the NE FaroeâShetland Basin where an inherited Caledonian structural...Oligocene fold growth is more common in the SW Faroeâ Shetland Basin. Although the effects of well-defined...deformation appear to be mainly constrained to the NE FaroeâShetland Basin, this phase of activity is also inferred |  | | Journal (article/letter/editorial) | | for most of the year in rain or mist, the Fseroe Islands, though they indeed weave a spell for those that...of the numerous and beautiful minerals of these islands is a source of unending interest. A few of the...dawn of modern mineralogical science, that the islands began to be known among collectors, and that specimens...have interested himself in the minerals of these islands is Sir John Stanley, who, about 1790, brought home...Charles Giesecke, who spent a month among the islands in the summer of 1805. He occupied most of the |  | | Journal (issue) | | almost pure aragonite suspended on a lattice of opal! ( Lab Girl (2016) by Hope Jahren.). âŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚâŚ...collection Photo 1 Black Opal cabochon (30 x40mm) Lady Luck mine, Yowah Opal Field, Queensland, Australia...âBest-in-Showâ trophy and he gave me this amazing black opal which has red flashes. Unfortunately I am apprehensive...Lady Luck Opal mine in Yowah, which at the time was barely recognised as a significant opal field. Yowah...Friendly Opal Fieldâ, it is 165 kilometres west of Cunnamulla. It is the home of the Yowah Opal Nut and |  | | Journal (article/letter/editorial) | | mineralised fractures in the exposed part of the Faroe Islands Mineral Average SuĂ°uroy Sandoy VĂĄgar Streymoy...hair-like Mo: mordenite Na: natrolite Ok: okemite Op: opal Ph: phillipsite Pr: prehnite Pu: pumpellyite Qz:...is calcium silicate hydrates. Silica minerals are opal, chalcedony etc. Tabellen viser hyppighet av druser...distribu on of zeolites in the basalts of the Faroe Islands and the significance of zeolites as palaeo-temperature |  | | Report (issue) | | JARDFEINGI RESEARCH REPORT RR/I 1/01 Geology of the Faroe-Shetland Basin and adjacent areas J D Ritchie 1...UK: British Geological Survey 2011 T 6rshavn, Faroe Islands: Jarofeingi 2011 BRITISH GEOLOGICAL SURVEY... and Evans, D (editors). 201 1. Geology of the Faroe- Shetland Basin and ad jacent areas. British Geological...Cenozoic (sedilnentary). 151- 208 in Geology of the Faroe- Shetland Basin and adjacent areas. Ritchie, J D...Brekkun'.m 1, PO Box 3059, FO 11 O T orshavn , Faroe Islands ~ +298 357000 Fax +298 357001 e-mail: jardfeingi@jardfeingi |  | | Journal (issue) | | society Richard Barstow SMLS Visit to the Faroe Islands. Part 2 Mineral Collecting Journal 234 - November...Journal 234 Nov/Dec 2011 SMLS VISIT TO THE FAROE ISLANDS July 4th - 11 th 2011 Part 2. Mineral Collecting...coast of Scotland (e.g. the Isle of Skye), the Faroe Islands, Iceland and SE Greenland and these are all...cut Fig. 4 Bridge joining Streymoy and Eysturoy islands Fig. 6 Bow tie stlbite. (20mm) Strand quarry,...forces on one day and going to three different islands: ⢠N6Isoy, a stone's throw from our hotel, to see |  | | Book | | Spinelle, Garnet. 2. SEMI-HARD GEMS. Rock Crystal, Opal, Amethyst, Chrysolite, Chalcedony, Lazulite, Carneleon...2.68 2.71 Rock Crystal, Citron, - 2.60 2.69 Fire-opal, 1.90 2.12 GREEN GEMS. Zircon, - 4.41 4.50 Sapphire...73 2.56 Adularia, 2.60 - 2.50 2.60 2.50 Precious Opal, --2.10 - 2.00 Hydrophane, 2.00 1.90 A number of...colours : such we perceive in the Diamond, pre cious Opal, and Labrador Spar. § XVIII. IRIDESCENCE. If the...Chrysoberyl. This property has generally been termed opal escence, which, in my opinion, is the same as iridescence |  | | Journal (article/letter/editorial) | | Greenland Scoresby Sound, East Greenland Iceland Faroe Islands Jan Mayen . Spitzl)ergen. Frauz Josef La~id...the latter the chief' minerals are chalcedony and opal, accompanied as before by chlorite and calcite,...have been a brown glass, with small amygdales of opal here and there. Of such minerals as originally existed...amygdale minerals is as follows: Heulandite, analcite, opal, chalcedony, calcite. Chlorite may either precede...possession of microscopic amygdales of chlorite-stained opal and chalcedony. No. 4 2 0 0 is an exceedingly fine-gralned |  | | Journal (article/letter/editorial) | | gr. is 2.59. The sp. gr. o⏠tridymite is 2.22, of opal 1.93 t,o 2.09. The refractive index of the new mineral...D is 1.446, being almost identical with that of opal and distinctly lower than that of tridymite. It...pure, but is iisuctllp intimately associated with opal, t o the presence of which the loss on View Article...concretions consisting mainly of opal; in yellowish stalactitic chalcedony; with opal in the yellowish silica...silica from the Faroe Islands; and probably in many other lorn 1ities. C. H. B. Minium from Leadville. Published |  | | Journal (article/letter/editorial) | | PAPERS. Crystals of Analcime from the Kerguelen Islands. By H. L A S P E Y R E(Jalwb. S f.Min., 1877, 530)...Crystal of Desmine of Unusual Form from the Faroe Islands. By R E D D L( E J a h ~ bf. . nizh., 1577,...veins on clefts in the diallagite of that district. Opal is found as perlite and fiorite, in the neighbourhood...neighbourhood, opal occurs unusually pure as hyalite, in cavities, in a granite vein. The opal of Sant Ilario |  | | Journal (article/letter/editorial) | | that variety which is combined with varieties of opal, &c. in straight layers, and which proves that these...remember having observed some beds of trap in the Faroe Islands, which, when viewed at a little distance, had...been formed a layer of a white substance, probably opal or zeolite. Lastly, over this has formed a coating...and these points have caused the third layer of opal or zeolite to assume the botryoidal form. Now, it...solid, is distinctf This substance appears to be opal or zeolite, as in the former specimen; and over |  | | Book | | Siberia, Namibia, the USA & Canada and the Faroe Islands. Practical courses in underground collecting...program. It was a similar program to the 'Aussie Opal Hunter' program, but looking at a claim in Colorado...bite, collected in 201 8 Faroe Islands My second trip was to the Faroe Islands where I found my next favourite...Photo 13 - 2011 Thomsonite, Funningur, Eysturoy, Faroe Isles, 6cm. SMLS have a tradition of mounting geotourism...9th of July as part of the SMLS visit to the Faroe Islands in 2011. We parked our vehicles under overcast |  | Caucia, Franca, Marinoni, Luigi, Leone, Alberto, Ghisoli, Christian (2015) New physical, geochemical and gemological data of opals from Acari Mine (Arequipa Department, Peru) Neues Jahrbuch fĂźr Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 192 (1) 73-84 doi:10.1127/njma/2014/0272 | Journal (article/letter/editorial) | | Andean pink opals are similar to quincyite, the pink opal from Quincy (France) which is colored by organic...samples Introduction The âPeruvianâ opal, also known as âAndean opalâ, is a relatively rare gemstone extracted...the blue or blue-greenish opal, which is a translucent stone. The blue opal is the national stone of Peru...towards this gem. Another important variety of Andean opal is the pink one that shows whitish-brownishgreyish...ish, slight pink and washed out color. The pink opal is more common and less expensive than the blue; |  | | Journal (issue) | | ptiotoDavidGreen. 3 FRONTISPIECE Heulandite from the Faroe Islands The ( 'K Je111n111/ ef Jv/ilicsand Minerals...Lee ⢠Bartal H0jgaard 43 SMLS VISIT TO THE FAROE ISLANDS 59 1ne vi and opinions expressed in this Journal...SUSSEX MINERAL AND LAPIDARYSOCIE1Y VISIT TO THE FAROE ISLANDS, 2011 John Pearce: 7 Condor Way, Burgess Hill...Directorate, Brekkutun 1, T6rshavn, Streyrno)~ Faroe Islands This article is dedicated to Volker Betz, in...zeolite mineralogy, particularly of Iceland, the Faroe Islands and CanaryIslands. The FaroeIslands are locatedat |  | | Journal (article/letter/editorial) | | possibility of saving -------- . ďż˝ .. --------- The Opal. This mineral is known by a number of names, as...hyalite, hydrophane, cachalong, girasol or fire opal, wood opal, pre the front of the mud mill and press...after death cious opal, etc. rotating, grinding arms, and the pressing The precious opal is the variety...clay into the mold box. America. also in the Faroe Islands. Saxony, and South series act as scrapers to...force the prepared This mold box is The Hungarian opal is found of various qualities, and is obtained |  | | Report (chapter) | | NE-trending basins (the Lofoten, Vøring, Møre, Faroe âShetland and Rockall basins: Fig. 1). In the south...geographical groupings: Norwegian margin; Faroe âShetland area; southern Faroe âShetland to northern Rockall; Hatton...1), and precursors of the Vema and Isak domes. Faroeâ Shetland area The Fugloy Ridge is a large anticlinal...anticlinal structure that extends ENE from the Faroe Islands. It is asymmetrical, with a steeper SE limb...2005a). Post-rift thermal subsidence in the flanking Faroe âShetland Basin has probably enhanced the Fugloy |  | | Report (chapter) | | relationship to the GreenlandâIcelandâFaroe Ridge area and the FaroeâIceland Fracture Zone. The microcontinentâs...EJMFZ East Jan Mayen Fracture Zone IFFZ Icelandâ Faroe Fracture Zone MIRFTS Mid-Iceland Rift Transfer System...Trough JMB Jan Mayen Basin IB Iceland Basin GIFRC Faroe âIceland â Greenland Ridge Complex GIR Greenland...HuĚnafloĚa Rift ICE Iceland onshore IFR Icelandâ Faroe Island Ridge NEVZ Northeast Volcanic Zone JMRN...Vøring Basin Faroe Islands Atlantic Margin: FYR Fugloy Ridge FP Faroe Platform FSB Faroe âShetland Basin |  | | Book | | containing fresh glass, montmorillonite clay, and opal; a transition zone (up to 20 mOl thick) composed...(up to 12 meters thick) that contains fresh glass, opal, and montmorillonite; a middle zone (up to 10 meters...spring areas. Chabazite, phillipsite, natrolite, opal, chalcedony, calcite, apophyllite, and plombierite...(mordenite, ferrierite, montmorillonite, quartz, opal) (Utada, 1988). The zeolites crystallize below 1200...(3) manganese oxides, (4) chalcedony, quartz, and opal, (5) crystallized clay, and (6) calcite. The methods | | | Book | | containing fresh glass, montmorillonite clay, and opal; a transition zone (up to 20 mOl thick) composed...(up to 12 meters thick) that contains fresh glass, opal, and montmorillonite; a middle zone (up to 10 meters...spring areas. Chabazite, phillipsite, natrolite, opal, chalcedony, calcite, apophyllite, and plombierite...(mordenite, ferrierite, montmorillonite, quartz, opal) (Utada, 1988). The zeolites crystallize below 1200...(3) manganese oxides, (4) chalcedony, quartz, and opal, (5) crystallized clay, and (6) calcite. The methods |  | | Journal (article/letter/editorial) | | the sea, forming a cluster of islands, called the Faeroes. These islands, twentytwo in number, besides...Faer-ier means Sheep Islands; hence it would be a pleonasm to speak of Fseroe Islands. Fair Isle has the...org/terms 2 THE FEROES. The whole group of islands may be divided into a smaller southern group, formed...south-east in the other. The general trend of the islands is from north-north-west to southsouth-east. In...channels like the one we see between the two largest islands, Stromo and Ostero. In that particular channel |  | | Journal (article/letter/editorial) | | EXCHANGES W I L L SWAPâProfessionally made jade, fire opal, agate jewelry or cut stones for good saleable mineral...mine, 15 for $ 5 . 0 0 . 10 ringsize cabochons (opal, amethyst, onyx, etc.) $ 5 . 0 0 . P. Kendall, Apartado...Bruce Patterson, Island V i e w Cabins, Lr. Five Islands, Col. Co., N. S., Route 2, Canada. TEXAS A G A...equipment, supplies, findings, rough Australian opal, Spec-Tec Blacklights, etc. No catalog. W i l l...CABOCHONS: Jadeite, nephrite, moonstone, star moonstone, opal, scapolite, tourmaline, moonstone and chrysoberyl |  | | Journal (article/letter/editorial) | | modifications of silica: (1) quartz, (2) a-cristobalite, (3) opal' sorbed about t0/6 of the incident light beam at...varietiesof silica, only quartz, a-cristobalite,and opal of this subgroup were analyzed; the spectra obtained...The occurrenceof the 12.6pband in the spectraof opal, similar to those of cristobaliteand qlrartz, i...indicatesconcurrencewith r-ray studiesthat opal contains in its structure, zoneswith periodic orderedarrangementsof...wellsite (Clay Co., N. Carolina), (3) stilbite (Faroe Islands). (4) harmotome (Westchester Co., New York) |
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TĂłrshavn, TĂłrshavn Municipality, Streymoy, Streymoy Region, Faroe Islands