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åžå°æ§ã¯ãµã€ãºãšå質ã«ãã£ãŠå€§ããç°ãªããŸããå°ããªç·©çµæ¶ãéšåçã«ãšããã³ã°ãããç Žçã¯æã«å ¥ããŸããå®å šãªåœ¢ç¶ãšåŒ·ãè²ãã¬ã©ã¹ç¶ã®éææãåããåªãããããã¥ã¢ã¯ã¯ããã«åžå°ã§ããç¹ã«10 cmãè¶ ãã Cabinet ãµã€ãºã®çµæ¶ã§ãèŠæ ãã®è¯ããæã€ãã®ã¯éèŠãªæšæ¬ã§ããNo. 206 ã No. 521 ã®ãããªãèšé²ããããã°ãã¿ã€ãç±æ¥ã§å€§ãããæž æµã§ãè²ãè±ããªã端ãŸã§è¯ãçµç«¯ããçµæ¶ã¯ããšãªãŒããªVolynäœåãšããŠååŒå¯Ÿè±¡ãšãªããŸããåžå Žã§ã®å ¥ææ§ã¯é£ç¶çã§ã¯ãªãæ³¢ã®ããã«æ¹åãããŠããŸããããœããšãæä»£ããã³åæãã¹ããœããšãã®ææã¯ã1980幎代以é western ã³ã¬ã¯ã·ã§ã³ãžãšæµå ¥ããŸããã2015幎ãã2018å¹Žã®æšæ¬æ¡ææã¯ãçŸåšã®çŸä»£çãã«ã¹ãææžåãããã®ã§ããã°ãã¿ã€ãNo.206ããã³No.521ã®çµæ¶ãå«ã¿ãŸããGIAã®2024幎ãã¥ãŒãœã³å ±åã¯ããŽã©ãªã³ç£ããªããŒã«ãšãããŒãºãå®ç³åžå Žã§äŸç¶ãšããŠç®ã«èŠããæ±ããããŠããããšã瀺ããŠãããèªç¶ã«å»ãŸãã衚é¢ãä¿æããããã«ãã€ã€ã¢ã³ãç¶ã®å€§ç²ç³ãã«ãããããã®ãå«ãŸããŸãããšã¯ãããé±ç©åéå®¶ã«ãšã£ãŠã¯ãæè¯ã®çµæ¶æšæ¬ã¯äŸç¶ãšããŠæç¶çã§ãå€ãã®æé«åã¯ãã§ã«é·æçãªæ°éãŸãã¯æ©é¢ã³ã¬ã¯ã·ã§ã³ã«åèµãããŠããŸãã## Stories & Field Notes
Volyn gem beryl ã®æåã®è©±ã¯ã»ãšãã©äžæ¡çãªãããç§æçã§ããVolodarsk-Volynskii ã®è¿ãã®çãèããŠãã蟲倫ããèäœäžã®ããéããçŸããçµæ¶åããç©è³ªãçºèŠããŸããããé·ãéãã®çºèŠã¯å°å ã®å®ç³é±åºã®èšŒæ ãšããŠåãå ¥ããããŸããã§ããã説æãšããŠææ¡ãããã®ã¯æ°·æ²³ç§»åã§ãïŒçããçµæ¶ã¯ã¢ã€ã¹ãšã€ãžã®éã«ã¹ã«ã³ãžããã¢åå³¶åéšãžéã°ããã«éããªããšãããã®ã§ããããã®åŸã§åããŠããã°ãã¿ã€ãäœèªäœãçŠç¹ãšãªãã1851å¹Žã«æ£åŒã«èšè¿°ããã1931幎ããæ¬æ Œçã«æ¡æãå§ãŸããŸãããåŸã«å·šå€§ãªæŽç©Žãã±ããã§æåãšãªããã®é±åºã¯ãæåã¯èäœå°ã®äžã®äžå¯èœæ§ã®ããç³ãšããŠèªãã瀺ããŸããã
ãœããšãæä»£ã®æ¡æ period äžãå®ã¯ãã€ããã€ã«ã§ã¯ãªãç³è±ã§ãããé±å±±ã¯ããªã¥ã³é±åºã®å§é»ç³è±ãæ¡æããŠãããå§åãåãããšé»è·ãçãç£æ¥ææã§ããããã€ãŠæ©åšãšé»åæ©åšã«ãšã£ãŠæ¥µããŠéèŠã§ãããUK Mining Ventures ã®èšé²ã«ããã°ã1944幎ãã1993幎ãŸã§ã«5,200ãã³ã®ç³è±ãæ¡æããããã®ãã¡119ãã³ãå§é»ç³è±ã§ãããåææã«ã¯ããããŒãº22ãã³ãšããªã«4ãã³ãèšé²ãããŠããŸããã³ã¬ã¯ã¿ãŒã«ãšã£ãŠçãäºå®ã¯ãçµæžçãªç®æšãç³è±ã ã£ããããå®ç³è³ªã®ææã廿£ç©ã®å±±ã«æãæšãŠãããããšãå€ãã£ãç¹ã§ããçŸåšã·ã§ãŒã±ãŒã¹ã§äº€éã劚ãããããªçµæ¶ã¯ããã€ãŠçŸå®ã®ãœããšãç£åã®åŽã«ããäºæ¬¡çãªçŠç€«ã ã£ãã®ã§ãã
1992幎ã®ããªã«ã»ãã±ããã¯ãçŸä»£ã®éèŠãªãšããœãŒãã®ã²ãšã€ãšãªã£ãŠããŸããå°äžã®äœæ¥ã§çŽ70ã¡ãŒãã«æ·±ãã®ããªã«ãå«ããã°ãã¿ã€ããšäº€å·®ããæ¡åéã¯çµæ¶ã®äžæ¡ã以äžã®ãç ç質ã»å®ç³è³ªããªã«ã®1ãã³è¶ ãšãªããŸãããããªã«ã¯ãããªã¯ã¹ã®äžã«ãããã«ä¹ã£ãŠããŸããã§ãããç²åè³ªã§æçåãããã±ããã®å å¡«ç©ã®éãã¢ãªãªã³å€§çãšãã€ã¯ãã¯ã©ã€ã³ã®éã®ééããããŠã¯ãªãŒãŽã©ã³ãç³-ã¢ã«ãã-ãã€ã¯ãã¯ã©ã€ã³ã®éåäœã®äžã«æšªããã£ãŠããŸãããããã¯å®ç§ãª Volyn ã®æ æ¯ã§ãïŒå·šå€§ãªæ¿è²ç³è±ãšæ·¡ãé·ç³ãæŽçªå ã§ç Žå£ãããç²åãé»ç·è²ã®ããªã«ãæ²æ®¿ç©ã®ããã«ä¿æããé±å€«ãã¡ã¯å®ç³çµæ¶ãå°è³ªåŽ©èœç©ããåé¢ããŠããŸããã
çŸä»£ã®æšæ¬æ¡æã®å¹Žã¯ãç°ãªãã¿ã€ãã®éå€é¢šæ¯ããããããŸããã2015幎ã«ã¯ãæåãšæ¡åã«ãã£ãŠ12ã®äž»èŠé±åºãå¢çã¥ããããåŸãã³ã¬ã¯ã¿ãŒåžå Žãç®çãšããäœæ¥ãå§ãŸããŸããã2017幎ãŸã§ã«ã¯ããã°ãã¿ã€ã No.206 ãš No.521 ã®æåãæ®åœ±ã»è§£èª¬ãããã³ã¬ã¯ã¿ãŒã®ããã®è³æãšãªã£ãŠããŸãããäœæ¥ã®äžéšã¯é¢šåããäžéšåž¯ã§è¡ããããã°ãã¿ã€ããæãããç²å質ã«ãªããæ²¹å§æåæ©ã«ãã£ãŠæåå¯èœã«ãªã£ãŠããŸãããç»åã¯å€ã硬岩æä»£ã®ããã³ããã¯ããæãããããã®ã§ã¯ãªããæ·¡ãç²çæ§ã®ãã厩ãå°ãåæºãç²åãããªã«ã³ã¢ãå®ç³çµæ¶ãçºããŠç¬é¡ãèŠãã人ã ãåã£ãŠããŸããææã¯å»ºèšçŸå Žã®ããã«ãèŠããŸãããOne EarthWonders-documented specimen collected by Martin Å tevko captures the feel of those workings: shallow surface pits and underground chamber pegmatites, several excavators in the open pits, highly weathered pegmatite held together by kaolinite, and pit floors that could become muddy white quagmires. Out of that unpromising ground came clean heliodor crystals large enough to sit as cabinet specimens. It is one of the great lessons of Volyn: the crystal may be glass-clear and sunlit, but the work that finds it is often white mud, clay, and patience.
Pegmatite No. 206 has its own small 2017 mythology. Mindat and marketplace records show Martin Å tevko documenting freshly discovered heliodor crystals there in July, August, and September of that year. One 4.2 cm sharp, gemmy crystal with a complex termination was self-collected in September 2017 from the western part of the pegmatite, from a very small pocket that contained only that crystal. Another elongated sharp crystal from August 2017 came from a small pocket that contained several attractive crystals; it was singled out as the most elongated one. These are not giant-production anecdotes, but they matter because they tie individual specimens to exact moments, pocket scale, and a named pegmatite body.
The UKMV photographic archive turns the 2017 field season into a cast of characters. Ian Bruce appears beside a freshly discovered large beryl in shallow surface workings, looking pleased with âa good dayâs work.â Diana Bruce is shown helping dig a large beryl from enveloping clay. Ian Bruce and Martin Å tevko hold a freshly extracted beryl crystal together. Diana is photographed holding a giant beryl. Brian Swoboda appears in a memorable field-photo caption, âabout to be pounded with giant Beryl crystals,â with the caption joking, âDonât panic Brian, donât panic!â This is how modern mineral history often survives: not only as weights, depths, and pegmatite numbers, but as wet boots, clay-covered hands, and the private comedy of people who know they have just found something exceptional.## é±ç©åŠçèšé²ãšåºçç©
Gerhard Franz, Oleksii A. Vyshnevskyi, Volodymyr M. Khomenko, Peter Lyckberg, and Ulrich Gernert, âEtch Pits in Heliodor and Green Beryl from the Volyn Pegmatites, Northwest Ukraine: A Diagnostic Feature,â Gems & Gemology, Fall 2023 â ãŠã©ãªã³æã®ããªãªããŒã«ããã®ãšããã圢æ ã§èå¥ããããã®çŸä»£ã®äž»èŠè«æãSEM芳å¯ãå®ç³åŠçç¹æ§ãå°è³ªçèšå®ãèç³ç³»åŸææµäœã®è°è«ãå«ãã
Peter Lyckberg, Vsevolod Chornousenko, and Wendell E. Wilson, âFamous mineral localities: Volodarsk-Volynski, Zhitomir Oblast, Ukraine,â The Mineralogical Record, 40(6), 473â506, 2009 â äž»èŠãªæ¡éå°ã®åãæ±ããæ¡æå²ã宀å ãã°ãã¿ã€ããéèŠãªãã°ãã¿ã€ããåªããæšæ¬ãç¶²çŸ ã
Leonid Shumlyanskyy, Gerhard Franz, Sarah Glynn, Oleksandr Mytrokhyn, Dmytro Voznyak, and Olena Bilan, âGeochronology of granites of the western Korosten AMCG complex (Ukrainian Shield): implications for the emplacement history and origin of miarolitic pegmatites,â European Journal of Mineralogy, 33, 703â716, 2021 â ã³ãã¹ãã³è€åäœã®å°è³ªå¹Žä»£åŠçæ çµã¿ãšãŠã©ãªã³å®€ç¶ãã°ãã¿ã€ãã®èµ·æºã«é¢ãã瀺åã
Gerhard Franz et al., â40Ar/39Ar dating of a hydrothermal pegmatitic buddingtoniteâmuscovite assemblage from Volyn, Ukraine,â European Journal of Mineralogy, 34, 7â18, 2022 â ãŠã©ãªã³ã®ãã°ãã¿ã€ãã«ãããåŸæç±æ°Žå€æãšçœ®æã¢ãã»ã³ããªã®çè§£ã«æçšã
A.N. Platonov, V.M. Khomenko, and M.N. Taran, âCrystal chemistry, optical spectra and color of beryl. I. Heliodor and golden beryl â two varieties of natural yellow beryl,â Mineralogical Journal, 38(2), 3â14, 2016 â é»è²ãããªã«ã®è²æ©æ§ãšããªãªããŒã«ãšéããªã«ã®åºå¥ã«é¢ããéèŠãªåå ãªãã¡ã¬ã³ã¹ã
Gemdat locality summary for Khoroshiv Raion, citing E.Ya. Kievlenko, Geology of Gems, 2003 â çç£ããŒããçµæ¶ãµã€ãºç¯å²ãåæããããããŽã©ãžãã«ãããªã«çµæ¶ã16 x 18 x 55 cmãéé22 kgã
Museum record: ã«ããã·ãå°åºå®ç³ã»è£ 食ç³çŸè¡é€šã¯ãGIA 2023幎ã®èšäºã§ãã°ãªãŒã³ãšã€ãšããŒã®éã®è²èª¿ãæã€ãŠã©ãªã³ã®æé«å質ããªã«æšæ¬ãå±ç€ºããŠãããšãããéåžžã«å€§ããªæšæ¬ãå«ããèšäºã¯ãŸãã2.683 kgã18 x 10 x 9 cmã®æ·±ç·çµæ¶ãProfessor Pavlyshynããåç©é€šæšæ¬ãšããŠç¹å®ããŠããã## Videos & Media
UK Mining Ventures â âVolodarsk-Volynskii Mine, Ukraineâ â 2015â2018 ã®åçã¢ãŒã«ã€ããå«ãè±å¯ãªåçä»ãé±å±±ããŒãžãããªãªããŒã«æšæ¬ãå»å»è¡šé¢ã®ã¯ããŒãºã¢ãããæµ éšè¡šå±€äœæ¥ãæåããªã«ãçŸå°æ¡åã®å æ¯ãªã©ã
GIA Gem News International â âUkrainian Pegmatitic Heliodor and Topaz,â Jennifer Stone-Sundberg and Wim Vertriest, 2024 â ãŠã¿ Tucson ã§ã®åžå Žåãå ±éãèªç¶ã®å»å»è¡šé¢ãä¿æãã倧ããªãã¡ã»ãããæœããã Volyn ããªãªããŒã«ãšãããŒãºã
Wikimedia Commons â âBeryl-250336.jpgâ â Volodarsk-Volynskii ç£ã®ã¯ã©ã·ãã¯ãªé»ç·è²ããªãªããŒã«ãŒããªã«çµæ¶ã®ããªãŒã©ã€ã»ã³ã¹åçããªãã£ãŒãã»ã³ã¹ããŒã»ã³ã¬ã¯ã·ã§ã³åºå žãRob Lavinsky/iRocks.com ã«åž°å±ã## Further Reading & External Links
Mindat â Heliodor from Khoroshiv Raion â Core occurrence page with photo galleries, associated minerals from photo data, and locality hierarchy.
Mindat â Heliodor from the Volyn Pegmatites â Pegmatite-field occurrence page with references to the Korosten geochronology work and Volyn pegmatite literature.
Gemdat â Khoroshiv Raion gemstone locality â Useful compact summary of gem beryl, topaz, morion pegmatites, crystal-size ranges, and the âVladimirâ beryl.
GIA â Etch Pits in Heliodor and Green Beryl from the Volyn Pegmatites â Best single scientific resource for diagnostic morphology, color, inclusions, geology, and locality recognition.
GIA â Ukrainian Pegmatitic Heliodor and Topaz â Short but valuable 2024 market report on Volyn heliodor and topaz in Tucson.
UK Mining Ventures â Volodarsk-Volynskii Mine â Detailed collector-oriented account of the deposit, mine history, specimen-mining period, and photographic archives.
ResearchGate â Lyckberg, Chornousenko, and Wilson, Mineralogical Record 2009 Volodarsk-Volynski Chamber Pegmatites â Access point for the landmark Mineralogical Record locality article.
European Journal of Mineralogy / OUCI â Shumlyanskyy et al. 2021 Korosten AMCG geochronology â Geological context for the age and emplacement history of the granites related to the Volyn pegmatites.
European Journal of Mineralogy â 40Ar/39Ar dating of a Volyn buddingtoniteâmuscovite assemblage â Technical paper on late hydrothermal alteration in the Volyn pegmatite system.
Mineralogical Journal â Platonov, Khomenko, and Taran on heliodor and golden beryl color â Useful for readers interested in the optical spectroscopy and color mechanisms of yellow beryl.