
Huanzala ã¯çŸä»£ã®é»é鱿šæ¬å°ã®å倧ãªäŸã®ã²ãšã€ã§ããè¯è³ªãªçµæ¶ãçã¿åºãå Žæã§ããã ãã§ãªããé·å¹Žã«ãããé»éé±ã cabinet-specimenïŒãã£ããããæšæ¬ïŒãšããŠéèŠãªåçš®ã«ããé±å±±ã§ããæé«ã®æšæ¬ã¯ãããã«åãã Huanzala ããããåããŠããŸãâçé®è²ããæ·¡ãéè²ã®çµæ¶ãé¡é¢ããçµ¹å æ²¢ã®ç §ããéåãªéå±çååšæããããŠå€æ§ãªåœ¢æ ã®ä¹±èïŒç«æ¹äœãæ¹å€ç«æ¹äœãããªãã€ããããã³ãå «é¢äœããããŠåãçš®ããŸãã§å¥ã®é±ç©ã®ããã«ãèŠããè€éãªçµã¿åããã

åç: Ivar Leidus, Wikimedia Commons
ãã®é±å±±ã¯ Huallanca è¿ãã®é«å°ã¢ã³ãã¹ã§å¶ãŸããé-äºé-é -éã®å€éå±é±å±±ã§ããé±ç³ç³»ã¯åçŽãªåž¯ç¶é±èã§ã¯ãªããHuanzala ã®é»éé±ã¯ç³ç°å²©ãšé 岩ã§çºéããè€éãªçœ®æã»ã¹ã«ã«ã³é¢é£ã®æ²æ®¿å±€ã«å±ããç³è±å®å±±å²©ã«è²«å ¥ãããé»éé±åãé±ç³ç³»ã®åææ®µéã圢æããŠããŸãããã®å°è³ªçèšå®ãæšæ¬ã倿§ã«ããçç±ã§ããåãé±å±±ããã¯ãç ç£šå æ²¢ã®ããé»éé±ã ãã§ãªããç¡«åéäºééé±ãæ¹è§£ç³ãç³è±ãèç³ãç éé±ãé»é é±ãããŒããªã³é±ãã»ãªããèç³é žãªã©ãåžå°ãªç¡«åç©ã»ç¡«ç å¡©ã»å€åé±ç©ã®é·ããªã¹ããç£åºãããŸããã
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*åç: Robert M. Lavinsky, Wikimedia Commons*Huanzalaã®æŽå²çéèŠæ§ã¯ãæšæ¬çã§ã¯ç°äŸã§ããå€ãã®å€å žçãªé±å±±ã¯ãããããªçŽ æŽããããã±ãããåŸãããããšã§æåã§ãããHuanzalaã¯ç£æ¥èŠæš¡ã®æšæ¬ãçã¿åºãã€ã€ãäžçã¯ã©ã¹ã®åäœã倿°çç£ããããšã§æåã§ããRock H. Currierã®ç¹°ãè¿ãèªãããŠããè©äŸ¡âthe Huanzalaã¯ä»ã®ãããªãé±å±±ããããã³ãããã®é±ç©æšæ¬ãå€ãçã¿åºããå¯èœæ§ãããâã¯ããã«ãŒã®é±ç©ã®äŒæ¿ã®äžéšãšãªããŸãããæ§ãããªãµã ãã€ã«ãæããå°åãã£ããããããŸãã¯å·šå€§ãªåç©é€šèŠæš¡ã®å «é¢äœçŸ€ãææãããã©ããã«é¢ããããHuanzalaã®é»é é±ã¯2000幎代åŸåã®æãçç£çãªæšæ¬é±å±±ã®ã²ãšã€ãžãšçŽçµãããªã³ã¯ã§ãã## Locality Information
Search for specimens: View all pyrite specimens from Huanzala Mine, Peru
Huanzala Mine is in the Huallanca District, Bolognesi Province, Ancash, Peru, although older labels and older literature often place it in Huánuco Department or use the older Dos de Mayo Province wording. This is not usually evidence of a bad label; it reflects administrative boundary changes and the long life of the mine in the specimen trade. Mindatâs current locality entry gives the mine at approximately 9° 52â² 21â³ S, 77° 0â² 10â³ W, in high Andean terrain.
The mine is a lead-zinc operation with copper and silver mineralization, long operated by CompañÃa Minera Santa Luisa, part of the Mitsui Kinzoku Group. Mitsui records Huanzala as one of its own developed Peruvian mines, with operations beginning in 1968; the Pallca Mine was later developed as a branch operation in 2006. Santa Luisaâs own company information describes the Huanzala unit as producing zinc, lead, and copper concentrates, with the mineâs extracted minerals processed immediately through the Huanzala concentrator.
Geologically, Huanzala is best understood as a polymetallic replacement and skarn-related system hosted by Cretaceous limestone-shale sequences. Early Japanese studies described the country rock as an alternation of limestone and shale known as the Huanzala Ore Formation, about 180 meters thick, with mineralization occurring as lenses, veins, and irregular masses along favorable horizons. Several quartz-porphyry dikes intrude along bedding planes, and highly pyritized zones occur parallel to the Pb-Zn-Cu ore zones.
Later mineralogical work refined the picture: Huanzala ores were divided into pyritic ore, skarn ore, and âshirojiâ argillized ore. The mineralizing sequence began with pyritization near the time of quartz-porphyry intrusion, followed by skarnization and iron-rich âred sphalerite,â then galena and chalcopyrite, then shiroji alteration with iron-poor âblack sphalerite,â and finally bornite-chalcocite and tennantite stages. This early, extensive pyritization is crucial to understanding why the mine became a pyrite locality of world importance rather than merely a base-metal mine that happened to contain pyrite.
The deposit also shows a broader two-style hydrothermal story. Resource Geology work on Huanzala distinguishes an adularia-sericite type zinc-lead assemblage with broad pyrite bodies and skarn, and an acid-sulfate type copper-silver assemblage characterized by minerals such as enargite, luzonite, and bornite. That combination helps explain the mineâs unusual mineral diversity: pyrite is not an isolated late-stage curiosity but part of the architecture of the orebody.æ¢çŽ¢ã¯1964幎5æã«äžäºéå±é±æ¥ã®äžã§æ¬æ Œçã«éå§ãããå°è³ªèª¿æ»ãå°è¡šã»å°äžãã€ã€ã¢ã³ãããŒãªã³ã°ããã³ãã«æåãè¡ããããé±å±±ã¯1968幎4æã«ææ¥ã«å ¥ã£ããæè¿ã®å ¬è¡šæžã¿ã®æ¢é±äœæ¥ã¯ãåœæã®ææ¥å°ããçŽ200ã¡ãŒãã«äžæ¹ã§çºèŠãããæ·±éšã®é±å垯ãæåããŠãããåŸæ¹æå±€ãšããŠç¥ãããäžäœæå±€ã«ãã£ãŠãããããäžéé£ç¶æ§ã®ç³ç°å²©ãããã¯å ã«äœçœ®ãããæ·±éšåž¯ã«ã¯é -éããã³é -äºéé±ç©ãå«ãŸããã¹ã«ã«ã³ãšå€§éã®é»éé±ã䌎ããé»éé±ãè¯å®è©é±å±±ã§æ¢é±ã®ç¶ç¶çãªæéãšãªãããšãè£ä»ããŠãããåãªãæšæ¬ã·ã§ããã®å¯ç£ç©ã§ã¯ãªãããšã瀺ããŠããã
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Typical collector specimens range from thumbnails and miniatures of small bright crystals to small-cabinet and cabinet clusters. Decorator and bulk-grade material can be much larger but often consists of small, glittering crystals on massive pyrite. Fine cabinet pieces with individual crystals in the 2â5 cm range are highly collectible; pieces with truly large, undamaged crystals are much scarcer. The largest documented historic specimens are museum-scale and can be extremely heavy, with major examples weighing tens of kilograms. ã¢ãœã·ãšãŒã·ã§ã³ã¯ãã¢ã³ã¶ã©ã®é åã®äžå¿ã§ããéäºéé±ïŒãã€ã©ã€ãïŒãšæãäžè¬çã§éèŠãªäŒŽåã«ã¯ãéäºéé±ãç³è±ãæ¹éé±ãæ¹è§£ç³ãèç³ãæ¹éé±ãéæ¶ç³ããçŽ éäºéé±ãããŒã³ãã€ããã¹ããšã©ã€ããçœé²ç³ãèç³ãªã©ããããŸããæè²ã®éäºéé±ã¯ãç¹ã«éäºéé±ãéãé»ã¿ã垯ã³ãåé¢äœãéæ®µç¶ã®çµæ¶ã圢æããéšåã§ããã©ã¹ã®ãããªãã€ã©ã€ããšåŒ·ã察æ¯ãçã¿åºããŸããç³è±ã¯ããã°ãã°å€§ããªäž»æ¶ã§ã¯ãªããå°ããªçœè²ãã¯ãã¯ã¹ç¶ãå æ²¢æã®ãããåéæãªããªãºãç¶çµæ¶ãšããŠçŸããŸãããã®åŸ®çްãªããªã¥ãŒãžç³è±ã¯ãæçšãªç£å°ã®ææãããšãªãããšããããŸããæ¹éé±ã¯éãéç°è²ã®å¯Ÿæ¯ãæäŸããéåžžã¯ç«æ¹äœãŸãã¯ä¿®æ£ç«æ¹äœãšããŠçŸããŸããäžæ¹ãèç³ãç¹ã«ãã³ã¯è²ããå€è²ã®å «é¢äœèç³ã¯ãæãæãŸããã¢ãœã·ãšãŒã·ã§ã³ã®ã²ãšã€ã§ãã
ã³ã¬ã¯ã¿ãŒã¯ãããã€ãã®å€§ãŸããªå質ã¯ã©ã¹ãåºå¥ããã¹ãã§ããäœãæ¹ã®åž¯ã«ã¯ããã¹ãã¹ïŒã¡ãã±ãïŒããåæ§ã®ããããå¡ããããå€ãã®å°ããªçµæ¶ãå«ã¿ãŸããé åçã§è±å¯ã§ãè£ é£Ÿçšåãã®ããã·ã§ããçšãšããŠå€§éã«èŒžåºãããæŽå²ããããŸããäžçŽåã¯ãåã ã®çµæ¶ãããã·ã£ãŒãã§ãå æ²¢ãè¯ããèŠããå¿å°ããäžæ¹ã§ãææ²çãæé·ã®æ··éããŸãã¯æ®éã®çµæã瀺ãããšããããŸããäžçåã¯ãçµæ¶ãããåé¢ããéå±å æ²¢ã匷ããçŸçãªæ§é ãæã¡ãæå·ãæå°éã§ãããã®ã§ããæé«å質ã¯ãçµæ¶ã®å€§ããã倧ããã圢ãéããé¢ãšãšããžãæå·ããŠããªããèŠæ ãã®è¯ããã©ã³ã¹ããããŠéäºéé±ãæ¹éé±ãèç³ããŸãã¯ç³è±ãšãã£ãæå³ã®ããã¢ãœã·ãšãŒã·ã§ã³ãç¹åŸŽãšããŸãã## Collector Notes
Huanzala pyrite is common in the market, but fine Huanzala pyrite is not common in the same way. This is the localityâs great paradox. A casual collector may see Peruvian pyrite everywhereâat shows, online, in metaphysical shops, in decorator binsâyet a serious collector looking for a genuinely sharp, lustrous, undamaged, well-composed Huanzala specimen can search for quite a while. The lower grades teach the eye; the better grades reward it.
Authenticity problems usually involve labeling, quality inflation, and presentation rather than elaborate mineral fakery. Pyrite itself is rarely faked convincingly in collector-grade Huanzala specimens because the weight, luster, hardness, crystal form, and associations are difficult to imitate in a way that would fool a knowledgeable buyer. The greater risks are vague âPeruâ labels upgraded to Huanzala, bulk decorator pyrite sold as fine specimen material, glued or stabilized display pieces not disclosed as repairs, and carved or polished pyrite objects confused with natural crystal specimens.
There is also a legal-origin issue for recent material. Gemrockâs Huanzala Pyrite Project states that since January 2020 it has held exclusive rights for extraction and global sale of Huanzala pyrite through an official arrangement, and that other Peruvian export or sale of Huanzala pyrite should be considered illegal. Older specimens, ex-collections, pre-2020 material, and pieces with long provenance remain widely traded, but contemporary buyers of freshly mined material should ask for documentation when legal chain of custody matters.
Treatments are usually physical or chemical cleaning rather than enhancement in the gem sense. The Mineralogical Recordâs Peru article noted that Peruvian dealers commonly dissolved late carbonate coatings from sulfides and other crystals using hydrochloric acid. That is not automatically a defectâmany classic sulfide specimens have been cleanedâbut it matters if the cleaning left etched surfaces, loosened matrix, removed attractive calcite, or produced an unnaturally stripped appearance. As with all sulfides, avoid aggressive chemical cleaning unless you know what the associated minerals are. Sphalerite, galena, calcite, dolomite, fluorite, quartz, and clays can respond very differently to acids, water, and mechanical work.
Condition is critical. Huanzala pyrite is hard enough to resist casual scratching, but the crystal edges and points bruise easily in mine handling and shipment. Large octahedrons often show contact marks, chipped edges, broken tips, or abraded high points. Striated cubes can hide small rubs in the ribbing; inspect under low-angle light. Massive pieces are heavy, and their own weight can cause pressure damage during transport if not packed properly. Check the underside as well: many specimens were trimmed from large masses, and a sawed or broken base is normal, but a specimen should still sit securely or be properly mounted.å®å®æ§ã¯ã也ç¥ããŠä¿ç®¡ããã°ãã³ã¶ã©ç£ãã€ãµã€ãã§ã¯äžè¬çã«è¯å¥œã§ããããã€ãµã€ãã¯éç¡«åç©ã§ãããæ¹¿ã£ãç°å¢ãé žæ§ãææ°ã®æªãæ¡ä»¶ã§ã®ä¿ç®¡ã¯é¿ããŠãã ãããå¿ èŠä»¥äžã«æšæ¬ã浞ããªãããã«ããŠãã ãããç¹ã«ç²åå±€æ¥åéšããã€ã¯ãçµæ¶æ¹éé±ãé»ééãç¢³é žå¡©æ®åç©ã®ãããã®ã¯æ³šæããŸããæãããªãã©ã·ãæ éã«äœ¿çšããå§çž®ç©ºæ°ãé©åãªå Žåã®éåžžã«çæéã®åªããæŽæµã¯ã培åºçãªæž æãããå®å šã§ãã
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çµæ¶ã¯ã³ã¬ã¯ã¿ãŒã®éåžžã«ããŽãªã«ã¯å€§ãããããå¹³åçµæ¶ã¯8â10 cmãCurrier ã¯ãªãã§èŠãæå€§çµæ¶ã®çžã20 cmãšå人çã«æž¬å®ããããã®çµæ¶ãå«ãæšæ¬ã¯å°ãªããšã45 kgãçŽ100ãã³ãã®ééã ã£ãããæå·ã®ããæé«çŸèгåã«ã¯ãªããªãã£ãããªãã«äœããã€ãã®ãã£ãŒã©ãŒ Ferdinand Zatch ã¯150 kg ã®æšæ¬ãèŠããšå ±åããããå質ãé«ããªããšããŠèŠéã£ããZatch ã¯ãã®é±èã50 kg 以äžã®æšæ¬ã100åã»ã©äœã£ãå¯èœæ§ãããããã¡40åãæ¬§å·ãžæž¡ã£ããããããªããšæšå®ããã
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1990幎ãŸã§ã«ã¯ãCurrier 㯠Huanzala ãã€ã©ã€ãã®å¥ã®å·šå€§ãªå¡ãæã«ããŠããã1991幎ãš1992幎ã®ããŒãœã³å±ç€ºäŒã§ã圌ã¯1990幎ã«å ¥æããçŽ1000kgã®ã°ã«ãŒããæäŸãããå¡ã«ã¯ããªã¯ã¿ããã¢ã«ãç«æ¹ãããªãããã¢ã«ã®åœ¢ç¶ãèŒãã°ã«ãŒããæããäžã«ã¯æã¡äžããã®ããé£ããã»ã©å€§ãããã®ããã£ãããã㯠Huanzala ã®å šèŠæš¡ã§ãããæšæ¬ã®åºããã®ãã©ãããªå±±ã§ããªããã°ã¹ãŒãã±ãŒã¹å€§ã®å¡ã§ããªãããã€ã©ã€ãã®ãã³ãã³ã¬ã¯ã¿ãŒåžå Žãé§ãå·¡ã£ãŠããã
ããã¹ãã¹ïŒchispasïŒãã®ç©èªã¯ã locality ã®å¥ã®åŽé¢ã«å±ããããã¹ãã¹ ãã€ã©ã€ãâæåéããããããããã€ã©ã€ãâã¯è£ 食åžå Žåãã«å€§éã«èŒžåºããããCurrier ãšå ±èè ãã¯ãHuanzala ãã1000ãã³ãè¶ ãããã®ææãæ¡æããã販売ããããšæšå®ãããç¡æ°ã®ããªã補ã®ãã£ã®ã¥ã¢ãããããã®ãããããã€ã©ã€ãã®å¡ã«åãä»ããããŠããã1987幎ãã1988幎ã«ã¯ããã©ã€ãäžã®å°ããªç·è²ã®æ£å «é¢äœã fluorite ã䌎ãè¯è³ªã®ãã¹ãã¹æšæ¬ããªãã®è¡ã§ããèŠãããããã®çŽ æã¯ Huanzala ãäžè¬ã®äººã ã«ç¥ãããããã£ãããšãªããåæã«çŽ æŽããããã£ããããçŽã®æšæ¬çŸ€ãäž»èŠãªæ°éã»æ©é¢ã³ã¬ã¯ã·ã§ã³ãžãšåããŠãã£ãã
話ã«ã¯ç¡¬ãåŽé¢ããããæšæ¬ã®è±å¯ãã¯ãçŸä»£é±æ¥ãå§ãŸã£ãŠããã»ãŒåæã®æ®µéã§çç£äžã®åé¡ãåŒãèµ·ããããé±å±±åŽåè ã¯æšæ¬ãéããããšã§å¯åå ¥ãåŸãããšãã§ãããªããšé±å±±ã®éãèµ°ãè²·ãæã§ãããã€ãªããã¹ã¯ã質ã®é«ãææãè²·ãä»ããããé »ç¹ã«çŸå Žã蚪ãããããèšè¿°ã¯ãé±å€«ããå šããã€ã©ã€ãç°å¢ã§åããŠããããšçŽæ¥çã«æåããããã«ãŒã«ã¯å€ãé±å€«ã¯ããªãããšããå³ãããã«ãŒã®é±æ¥ã®æ ŒèšãææããŠãããåäœæ¥ã·ããã§1ãã³ä»¥äžã®æšæ¬ãã€ã©ã€ããæ¡æããããµã€ãºå¥ã«éžå¥ãããããã«å¿ããŠäŸ¡æ Œãä»ããããããã«äžçåžå ŽãžåžåãããŠãã£ããéèŠã¯éåžžã«åŒ·ãã巚倧ãªéã§ããã³ã¬ã¯ã·ã§ã³ãåºèãè£ é£ŸåäŸçµŠãã§ãŒã³ãžæ¶ããŠãã£ããHuanzalaã®é»éé±ã®çµæ¶åŠã«ã¯ãç¬èªã®å°ããªç©èªããããMindatã®å€§ããªHuanzalaæšæ¬ã«ã€ããŠã®è°è«ã®äžã§ãã³ã¬ã¯ã¿ãŒãã¡ã¯åœ¢ç¶ãæ€èšããïŒæ¯é çãªç«æ¹äœããæ¯åããããªããããã³ã®é¢ã«ãã£ãŠä¿®é£Ÿãããç¹°ãè¿ãããå¹³è¡ãªé¢ãæ¡ç·ãçã¿ãç«æ¹äœè¡šé¢ãæ²ç·ç¶ã«èŠããŠãããããåå è ã¯ããã®æšæ¬ã®é åãšèç«ã¡ãèŠäºã«èŠçŽããããèªç¶ã¯ãšãŠããã£ããã ããå¥ã®äººç©ã¯ãé»éé±ã®ç«æ¹äœã®æ¡ç·ã¯åŒã£ããå·ã§ã¯ãªãã圢ç¶éã®äº€äºæé·ã®èšé²ã§ãããšèª¬æããââç«æ¹äœãšæ£äºè§åäºé¢äœââãçµæ¶ã®é¢ã«å¹³è¡ãªèãšããŠå¯èŠåãããããšããããšã ãHuanzalaã¯ããã®æèšãåŠåçã§ã¯ãªãçŸå®ã®ãã®ãšãªã代衚çãªç£å°ã®ã²ãšã€ã§ããïŒçµæ¶å šäœã«åæ¢ã«æžãããŠããã®ã ã## é±ç©åŠçèšé²ãšåºçç©- ã¢ãã·ã»ããªã¿ããªã€ã«ã¯ã»ãžã¥ã³ãã¹ã±ãã¿ã°ã¡ãã»ãŠãã, âGeological Features of the Huanzala Ore Deposits, Peru,â Mining Geology, 23(120), 265â274, 1973 â æ¢é±ã®æŽå²ã宿岩ãé±äœãžãªã¡ããªãç³è±-æç¶å²©ã®ãåãé»éé±å垯ã®åææè¡çèšè¿°ã
æè€ä¿¡éãå·åŽæ¿å¿ãçžå·æž ãæ¥æ¯çŠæ²», âOre genesis and exploration of the Huanzala mine,â Mining Geology, 31(170), 421â428, 1981 â é»éé±ãå«ãèµ€éé±å²©ãã¹ã«ã«ã³ãçœé²ç³é±ã®éèŠãªèŠçŽãåæã®é»éé±åãæ¢é±ã®éµãšããŠåŒ·èª¿ã
ä»äºç§æš¹ãå·åŽæ¿å¿ãå±±å£å 倫ã髿©çŸåç·, âMineralization and paragenesis of the Huanzala Mine, central Peru,â Economic Geology, 80(2), 461â478, 1985 â å§åçãªã³ã¢æé·åŠçè«æãåŸç¶ã®Huanzalaã®é±ç©åç ç©¶ã§åºãåŒçšãããã
Geological Survey of Japan GEOLIS record for Imai et al., 1985 â Economic Geology è«æã®èè ãèªåãé ãDOI ã確èªããæžèªèšé²ã
ä»äºç§æš¹ãâBase Metal Deposits of Acid-Sulfate Type Coexisting with Adularia-Sericite Type ã®é±ç©å,â Resource Geology, 49(3), 147â156, 1999 â Huanzala ã®ã¢ãã¥ã©ãªã¢-ã»ãªãµã€ãåãšé žæ§ç¡«é žå¡©é±ç©åæ§åŒãè«ããäºé-éã®é¡å矀ã®äžæ žãšããŠé»éé±äœãæ±ãã
âExploration of the Huanzalà mine, Republic of Perù â The discovery of a deep mineralized zone,â Resource Geology, 59(2), 91â106, 2009 â ææ¥ã¬ãã«ããçŽ200ã¡ãŒãã«äžã®æ·±éšé±å垯ã®çºèŠãèšè¿°ãã¹ã«ã«ã³ãšå€§åé»éé±ã䌎ãã
Jack A. Crowley, Rock H. Currier, and Terry Szenics, âThe Raura-Huanzala Group,â The Mineralogical Record, July-August 1997 â Huanzala ã®é»éé±ããããå¿ æºã®ã³ã¬ã¯ã¿ãŒæç®ã1980幎代ã®çºèŠããã¹ãã¹é»éé±ãäž»èŠçµæ¶ãµã€ãºãããŒã±ããå²ãå«ãã
Mindat reference entry for Imai et al., 1985 â Economic Geology è«æã«é¢é£ããé±ç©çš®ã®æçšãªçŽ¢åŒã
Mindat é»éé± Huanzala Mine ã®ç£åºèšé² â äžççã«æåãªé»éé±ãšããŠã®èšèŒãšãåçããŒã¿ã«åºã¥ãé¢é£é±ç©ã®æ å ±ã
Smithsonian Collections Search Center: Pyrite, NMNH 147875-00, Huanzala, Huanuco, Peru â å šç±³èªç¶å²åç©é€šé±ç©ã³ã¬ã¯ã·ã§ã³ã«ããã Huanzala é»é鱿šæ¬ã®æèµæ å ±ã
Mindat åçèšé²: Smithsonian Huanzala é»éé±, çŽ20 cm tall â Smithsonian National Museum of Natural Historyã«æèµããããæ¡çã®ããç«æ¹äœãã€ã©ã€ãæšæ¬ãæãèäœæš©ä¿è·ãããåçèšé²ã## ãããªãèªã¿ç©ãšå€éšãªã³ã¯
Mindat ããŒã«ãªãã£ããŒãž: Huanzala Mine â 座æšãé±ç©ãªã¹ãã代æ¿ã®è¡æ¿åãåºæ¬çãªé±å±±èª¬æã®æè¯ã®åäžããŒã«ãªãã£ããŒã¿ããŒã¹ãšã³ããªã
Mindat Huanzala Mine ã®é»éé± â é»éé±ã®éäžçŸãããŒãžãçš®å質è©äŸ¡ãšé¢é£é±ç©ãå«ãã
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