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åç: Pala International
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æŽå²çã«ã1970幎代㫠dealers ãã³ã¬ã¯ã¿ãŒã«å±ãããã«ãªã£ãã¢ãã¬ãã¹ã¿ã³ç£ç²æ¿å²©é±ç©ã®æ³¢ãšãšãã«ãããŠã£ã¯è¥¿æŽã®ã³ã¬ã¯ã·ã§ã³æèã«ç»å ŽããŸãããJ. F. PoullenãšPierre Bariandã«ãã1978幎ã®ã¯ã©ã·ãã¯ãª Mineralogical Record èšäºã¯ãããŠã£ã«æä¹ çãªäœçœ®ã¥ããäžããåç£å°ã®éåžžã«å€§ããã¹ã³ãã¥ã¡ã³ãã¢ã«ã¬ãã€ããã¢ã¯ã¢ããªã³ãäžè²ã«ã©ãŒã®ãã«ããªã³ã詳述ããŸããããã®åŸã®å ±åãšæšæ¬èšé²ã¯ãããŠã£ãå倧ãªã¢ãã¬ãã¹ã¿ã³ç£å®ç³çµæ¶ã®äžã€ãšããŠç€ºããæ©é¢ã³ã¬ã¯ã·ã§ã³ãäž»èŠãªæ°éã³ã¬ã¯ã·ã§ã³ã§é¡èãªæšæ¬ãæããããŠããŸããã³ã¬ã¯ã¿ãŒã«ãšã£ãŠãçæ³çãªããŠã£çŽã¹ãã§ãããã¯ãåã«æå€§ã®çµæ¶ã§ããããšã§ã¯ãããŸãããæé«ã®æšåã¯å®å šãªçµç«¯éšãæã¡ã掻æ°ããå æ²¢ããããèªã¿åããçžç¶ã®ããªãºã é¢ãåããäžè¬çãªå±ç€ºæ¡ä»¶ãèããèªç¶è²ãæã¡ããšããžã®æå·ãæå°ã§ãããã®ã§ãããããªãã¯ã¹æšæ¬ã¯ç¹ã«åžå°äŸ¡å€ãé«ãããã³ãã§åæã®èгå¯è ãã¡ããå®ç³æ¡æè ãçµæ¶ãåé¢ããåŸãç³è±ãé·ç³ãã¯ã¬ã€ãŽã¡ã©ã³ãç³æ¿ã®äžã«å€ãã®ã¹ããã¥ã ã®åºéšãæ®ã£ãŠããã®ãèŠãŠããããšãããçµæ¶ã ãã®äžå®å šãªæšæ¬ãããå ¥æãé£ããã®ã§ãã## ç¹éæšæ¬
Search for specimens: View all spodumene specimens from Mawi Pegmatite, Afghanistan
Mawi is a gem pegmatite in the Mawi valley, a small western branch of the Kolum valley in the Nilaw-Kolum pegmatite field. Mindat places the pegmatite at roughly 35.202° N, 70.336° E and treats it as a pegmatite locality within Nuristan Province, Afghanistan. Older geological and collecting literature often used Laghman or Lagman for the same area, reflecting earlier administrative and collecting usage.






The deposit is part of the northeastern Afghan pegmatite belt, where lithium- and beryllium-rich pegmatites occur in and around crystalline metamorphic and intrusive rocks. Regional descriptions of the Nilaw-Kolum field emphasize Be-Ta-Nb-Li-Cs-Rb-rich pegmatite veins hosted by schist, diorite, gneiss, or granite. In the older Nilaw-Mawi geological model, pegmatites were injected into the Nilaw intrusion, with dioritic to gabbroic rocks, migmatites, mica schists, quartzites, marble, and granitic rocks all part of the broader geological picture. The gem pockets at Mawi represent the highly evolved, volatile-rich end of this system.
The principal Mawi pegmatite was described by Rossovskij and coauthors, as cited by Poullen and Bariand, as about 40 meters thick and 1,200 meters long. Later satellite-based reporting described the Mawi pegmatite as about 1.5 kilometers long, broadly consistent with the older scale. These figures matter to collectors because Mawi is not a single small pocket mine; it is a large pegmatite system capable of repeated pocket production over decades.
The classic paragenesis at Mawi begins with quartz-muscovite border aggregates against the wall rock, followed by biotite, microcline, quartz, aquamarine, and black tourmaline in parts of the deposit. A giant-crystal zone of quartz and microcline developed later, with beryl in apophyses of the main vein. The spodumene-bearing stage formed as local quartz-spodumene segregations several meters thick, also carrying columbite-tantalite. Later albite-muscovite-quartz assemblages include lepidolite, multicolored tourmaline, and additional spodumene. This sequence explains why the best collector pieces may show spodumene with white albite-cleavelandite, quartz, lepidolite, tourmaline, or beryl rather than occurring in a single uniform rock type.
Mining history at Mawi begins in modern mineral literature with Soviet-era geological work in the 1970s. Afghan pegmatite minerals were discovered and developed in that period for strategic elements as well as gems, and local men were employed to search for lithium, cesium, and related mineralization. By the mid-1970s, Mawi was already producing enough spodumene to be measured in hundreds of kilograms during individual production intervals: 420 kg in July 1973 and 176 kg during October-November of the same year were recorded in the classic account.ã¢ã¯ã»ã¹ã¯ãã€ãé£ãããPoullenãšBariandã¯ãLaghmanã®ãã°ãã¿ã€ããžã®1977幎ã®ã¢ãããŒããããžãŒãå¯èœãªéãçµãã£ãåŸã®åŸæ©ã§ã®å³ããæ ã ãšèª¬æãããNilawãããKoh-e-Sagoliå±±èãçŽ3,000ã¡ãŒãã«ã®é«ãã§æšªæãããã®åŸçãMawiã®è°·ãäžã£ãŠãã³ããšæ¡æè·¡ãçŸãããŸã§ã忥çšåºŠã®æ©è¡ã§ããŠã£ãžå°éã§ãããçŸä»£ã®åéå®¶ã¯ãããŠã£ã嚯楜çãªæ¡éå°ã§ã¯ãªããç©æ¥µçãŸãã¯æç¶çã«æŽ»çºãªã¢ãã¬ãã¹ã¿ã³ã®æ¡æ locality ãšã¿ãªãã¹ãã§ãããèš±å¯ãé±ç©æš©ãæ²»å®ãå°å ã®ç®¡çãæ±ºå®çã§ããããã® locality ã¯ã«ãžã¥ã¢ã«ãªé倿¡éã®å Žã§ã¯ãªãã
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Mawi ã®ãªããŠã é·ç³ã¯ãé·ã䌞ã³ãåææ¶ããªãºã ãšããŠæãç§°è³ãããéåžžã¯çµæ¶ã®é·ãæ¹åã«å¹³åŠã§åŒ·ãçžç¶ã«ãªããå€å žçãªåœ¢ã¯å¹³ããªã¯ãªãããªãºã ã§ãçžæš¡æ§ã®é¢ãåºãããMawi ã§ã¯äž»ããªãºã 圢ç¶ãããåçã«çºéããããããã¯ç¶ãŸãã¯ã»ãŒæ£æ¹åœ¢ã®æé¢ã®çµæ¶ãçç£ãããŠããã äºã€ã®çµæ¶ãåæã«æé·ããçŸè±¡ïŒãã€ã³ïŒãèšé²ãããŠããã100 é¢ã®ãã€ã³ãšãèŠèªã§ããå ¥ãçµãã è§åºŠãæã€ãã®ãããã
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Mawi ã®çµæ¶ã¯ãçŸå®çãªæšæ¬èŠæš¡ã§å€§ãããªãããšããããç³è±-ãªããŠã é·ç³ã®åé¢éšã®ãªããŠã é·ç³çµæ¶ã¯é·ã2ã¡ãŒãã«ã«éããããšããããšèšè¿°ãããŠãããããã®å€ãã¯å没ããŠãããè¯è³ªæšæ¬ã«ã¯é©ããªãã£ããããåºãã©ã°ãã³-ããªã¹ã¿ã³å°åºã§ã¯å®ç³çŽã®ãªããŠã é·ç³çµæ¶ãæå€§çŽ1ã¡ãŒãã«ã®é·ãã«éããæåãªæŽå²ç㪠Mawi ã®åçã«ã¯ã60 cm é«ãã®ç·ã®çµæ¶ãš 20 cm é«ãã®ã¯ã³ãã¡ã€ãçµæ¶ããœã«ãã³å³æžé€šæèµãšããŠå«ãŸããŠãããçŸä»£ã®åéå®¶æšæ¬ã¯ãããã¢ãã¥ã¢ãã倧ããªãã£ããããçŽãŸã§å¹ åºããå±ç€ºçšã®çް工ã®çŸããçµæ¶ã¯5â15 cmçšåºŠã§ãéåžžã«åªããçµæ¶ã¯ãã以äžã®é·ãã«éããããšãããã
衚é¢ã¯äž»èŠãªèšºæçåã³ã®æºã§ãããMawi ã®çµæ¶ã¯ãé·è»žæ¹åã«éã瞊çžãæã€å¹³æ»ã§ã¬ã©ã¹å æ²¢ããã¯ãã¯ã¹ç¶ã®ããªãºã é¢ã瀺ãããšãããããšããã³ã°ããããæº¶è§£ããåºåãåçåããåºéšãéãçºéããçµç«¯ãæããããšãããã Bariand ãš Poullen ã¯ãã©ã°ãã³ç£ã®ãªããŠã é·ç³ããå€ãã®å€§ããªã«ãªãã©ã«ãã¢å·ããã³ããã¹ã»ãžã§ã©ã€ã¹å·ã®çµæ¶ãšç°ãªããããå¹³åŠã§çºéããé¢ãšãè§ãäžžã¿ã垯ã³ãæ¯èŒçéãããšã匷調ããŠãããåŽé¢ã®é¢ã®äžéšã¯ãå² viewed ããéã«ã¯ã¬ãŒãïŒè§£è£ïŒãšèª€èªãããããšããããããæé·éçšã®å³ãè é£åãæ éã«èгå¯ããŠãé¢ãæå·ãšå€æããåã«ç¢ºèªããããšãéèŠã§ããã associations are central to mawiâs identity. common and important associated minerals include quartz, microcline, albite including cleavelandite, muscovite, lepidolite, elbaite or other tourmaline, black tourmaline, beryl including morganite and aquamarine, and spessartine. less conspicuous but mineralogically important accessories recorded from the mawi/nilaw-kolum system include columbite-tantalite, tantalite-(mn), microlite-group minerals, cassiterite, pollucite, fluorapatite, topaz, and clay alteration minerals such as montmorillonite. the most coveted aesthetic combinations are pink or lilac spodumene on white cleavelandite, spodumene with quartz, and rarer spodumene associated with lepidolite, tourmaline, or morganite.
quality is judged along several axes. saturated but believable color is important, especially in kunzite; however, form and condition often matter more than color alone. a moderately colored crystal with a complete termination, sharp edges, strong luster, and no repairs may be more collectible than a brighter but bruised crystal. matrix raises the bar: a well-balanced mawi kunzite on cleavelandite or quartz is substantially scarcer than a detached crystal, because many crystals were removed from pocket plates for gem use or easy sale.## Collector Notes
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Pala International reprint of Poullen and Bariandâs âThe Pegmatites of Laghman, Nuristan, Afghanistanâ â ã¯ã©ã·ãã¯èšäºã®ãªã³ã©ã€ã³ã§èªããçã§ãSorbonne ã³ã¬ã¯ã·ã§ã³ã® Mawi ã¹ããã¥ã¡ã³ç é·ç³ãšã¯ã³ãã¡ã€ãã®æŽå²çåçãå«ãŸããŸãã
Peter Lyckberg, âGem pegmatites of northeastern Afghanistan,â The Mineralogical Record, Vol. 48, No. 5, 2017, pp. 610-675 â åæ±ã¢ãã¬ãã¹ã¿ã³ã®å®ç³çšãã°ãã¿ã€ãã®çŸä»£çãªç·èª¬ã§ãMawi ã»ã¯ã·ã§ã³ãšè¡æ/éå€ç»åã®åç §ãå«ãŸããŠããŸãã
Greta J. Orris and James D. Bliss, âMines and Mineral Occurrences of Afghanistan,â USGS Open-File Report 02-110, 2002 â USGS ã®ç·šçºç©ã§ã1995幎æç¹ã® Mawi ãæŽ»çºãªå®ç³é±å±±ãšããŠæãããã®äž»èŠå®ç³é±ç©ãèšé²ããŠããŸãã
Stephen G. Peters and others, âPreliminary Non-Fuel Mineral Resource Assessment of Afghanistan: Deposits related to felsic phanerocrystalline intrusive rocks,â USGS Open-File Report 2007-1214 â ã¢ãã¬ãã¹ã¿ã³ã®ãªããŠã ã»ããªãªãŠã ã»åžå°éå±ã»å®ç³å«æã®ãã°ãã¿ã€ãåéã®å°åçæ çµã¿ãNilaw-Kolum èŠè§£ãå«ãã
Aleksandr N. Evdokimov and coauthors, âGeochemistry of spodumene from pegmatites of the Laghman granitoid complex, Afghanistan,â Journal of Mining Institute â æ±ã¢ãã¬ãã¹ã¿ã³ã®ãã°ãã¿ã€ãã«ãããã¹ããã¥ã¡ã³ã®åœ¢æ ãšå°çååŠã®å°åçç ç©¶ã
Habib Ur Rehman and coauthors, âAn X-ray Absorption Near-Edge Structure Study on the Oxidation State of Chromophores in Natural Kunzite Samples from Nuristan, Afghanistan,â Minerals, 2020 â ã¢ãã¬ãã¹ã¿ã³ç£ã¯ã³ãã¡ã€ãã®çºè²å£ã®é žåç¶æ ã XANES ã§è§£æããç ç©¶ãNuristan ã®ã¹ããã¥ã¡ã³ã®è²çè§£ã«æçšã
Terra mineralia specimen: kunzite with quartz from Mawi, photographed on Wikimedia Commons â 倧åã® Mawi ã¯ã³ãã¡ã€ããšã¯ã©ãŒããå±ç€ºããåç©é€šå±ç€ºäŸã
Wikimedia Commons category: Minerals of Mawi pegmatite â Mawi ãã°ãã¿ã€ãã®æšæ¬ç»åãå ¬éããã¢ãŒã«ã€ãã§ãã¹ããã¥ã¡ã³ãã¯ã³ãã¡ã€ããã¢ã«ããµã€ããã¯ã©ãŒããå«ããz, apatite, beryl, and tourmaline.## Videos & Media
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