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Search for specimens: View all scheelite specimens from Huanggang Mine, Inner Mongolia, China
é»å²éé¡ç¿åºïŒé»å²æ¢ç¿ãé»å²ç¿ãšãïŒã¯ãäžè人æ°å ±ååœå èå€èªæ²»åºèµ€å³°åžåéçã«ããããããã 43°36'37" north, 117°25'37" east ã®äœçœ®ã«ãããŸããå€ãæšæ¬ã©ãã«ã«ã¯ locality ãè€æ°ã®åœ¢åŒã§è¡šèšãããããšããããHuanggangãHuanggangliangãKeshiketengãHexigtenãChifengãUlanhadããããŠèª€ã£ãŠãBaotou DistrictããšèšãããããšããããŸããçŸä»£ã®ã©ããªã³ã°ã§ã¯ããHuanggang Fe-Sn deposit, Hexigten Banner, Chifeng City, Inner Mongolia, Chinaããæãæ£ç¢ºãªèŠª locality ã§ãããçŸå Žãç¹å®ã§ããå Žåã«ã¯ãNo. 5 Mineãã䜵èšãããŸãã
ãã®é±åºã¯ãç 岩æã® Dashizhai ããã³ Huanggangliang 圢æã®çé žå¡©å²©ãè±åŽå²©äœã«ãã£ãŠäŸµå ¥ã»å€è³ªãããŠåœ¢æããããç«æå²©æ§ã®ã¹ã«ã«ã³åé«éé±åºã§ããç³æŠŽç³-èŒç³ã¹ã«ã«ã³ããã³ç³æŠŽç³-è§éç³-éé·ç³ã¹ã«ã«ã³ããäŸµå ¥æ¥è§Šéšã§åŒ·ãçºéããŸããé±ç³ã¯ãã¹ã«ã«ã³å ã®å·šå€§å¡ç¶ãè§ç€«èãèç¶ãå°ç²ã®æ¡æ£äœããããŠå°ããªè£éæ§ã®èãšããŠç£åºããŸãããã®åŸãç¡«åç©ãè§éç³ãã«ãã³ãã§ããŒç³ã®å€è³ªãäžæžãã»çœ®æããŠãããŸãã
Huanggang ã¯åäžã®åçŽãªäºæžã§ã¯ãªããå€§èŠæš¡ãªæ¡æå°åã§ããé±åºåã¯çŽ 0.5â2.5 km ã®å¹ ãé·ãçŽ 19.5 km ã«åã³ã7ã€ã®é±å±±ã«ãã£ãŠææ¥ãããŠããŸãã西éšã«ã¯ Mines 1â4 ãæ¡æããéå¯å«ã¹ã«ã«ã³é±äœãå€ç«ããŠååšããæ±éšã«ã¯å€§çŽ 6 km ã®åž¯ç¶ã®é«å¯å«ã¹ã«ã«ã³ã¬ã³ãºã倧çç³äžã«ååžããMines 5â7 ãæ¡æããŠããŸããã¹ã«ã«ã³ããã¯ç¹ã«è€æ°ã®å Žæã§çªçéç³ãèšé²ãããŠãããNo. 5 Mine ããŸã scheeliteãcalciteãfluoriteãé«å¯å«ã®é¢é£é±ç©çŸ€ã®æšæ¬åžå Žã®åèãšããŠéç«ã£ãŠããŸãã
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Huanggang scheelite is available often enough that serious collectors can be selective, but the truly fine pieces are not common. Small and medium cabinet examples have appeared in the international trade since the early 2010s, with better pieces usually tied to the 2012â2015 production window documented by major dealers. Fresh material still appears intermittently, but the market is uneven: many specimens labeled Huanggang are fluorite, quartz, calcite, ilvaite, löllingite, or arsenopyrite, while scheelite is a smaller and more specialized subset.
The first authenticity issue is locality precision. âInner Mongolia scheeliteâ is not enough; âHuanggangâ is better; âHuanggang Fe-Sn deposit, No. 5 Mineâ is best when supportable. Labels reading âBaotou Districtâ should be treated as old or erroneous shorthand rather than accurate geography. Be cautious with vague labels that conflate Huanggang with other Inner Mongolian mines, especially because Inner Mongolia has produced multiple visually similar skarn and fluorite assemblages in recent years.
The second issue is species confirmation and associated-mineral naming. Huanggang has a history of specimen-label problems: some âhedenbergiteâ material has analyzed as amphibole, some garnets sold as andradite may be grossular-rich or part of the andradite-grossular series, and some datolite attributed to Huanggang has been noted as coming from a mine near Linxi instead. These concerns do not invalidate good scheelite pieces, but they do argue for caution when a label promises a complicated association. On better scheelite specimens, particularly those involving molybdenite inclusions or unusual fluorescence, analytical confirmation is a meaningful plus.
There is also a documented treatment concern specific enough to matter. One Huanggang scheelite described by Fabre Minerals had an artificial greenish patina, identified as an amorphous iron arsenate produced by a previous chemical attack on former calcite; the dealer described the natural white color as having been recovered after eliminating that patina. This is an important warning: greenish or altered-looking coatings on Huanggang scheelite are not automatically natural color, and specimens with removed calcite, etched surfaces, or suspicious coatings deserve close inspection.
Condition problems are predictable. Scheelite is dense and moderately hard but not tough; exposed bipyramidal points and ridges chip easily. White crystals show bruises, edge wear, and contact marks more visibly than dark scheelite. Calcite-rich matrix can be etched, dissolved, or mechanically reduced, sometimes leaving odd cavities, rough borders, or altered residues around the scheelite. Metallic associates such as arsenopyrite and löllingite can oxidize or dull if stored poorly, and arsenic-bearing minerals should be handled sensibly: wash hands after handling, avoid creating dust, and keep friable pieces away from children and pets.匷ãé»å²¡é»é é±ïŒé»é é±ïŒã¯ã以äžã®3ã€ä»¥äžãå°ãªããšãåããŠããã¹ãã§ããéãçµæ¶ãè¯å¥œãªå æ²¢ãæž æœãªçœè²ãã埮åŠã«åž¯ç¶ã®ã«ã©ãŒãé åçãªé»è²ãŸãã¯éå±è³ªã®ãããªã¯ã¹ãææžåãããã¢ãªããã³é±å«ç©ãåªããèå ãä¿¡é Œã§ããç£å°èšŒæãããããã¹ãŠã®å±æ§ãåããæšæ¬ã¯ãçŸä»£ã®äžåœé¢šãµã³ç³ç°å²©ïŒã¹ã«ãŒã³ïŒã®éèŠãªã»ããã«å±ããŸãã## Stories & Field Notes
2011幎6æããžã§ã³ã»ãã§ã³ã¯äžåœ minerals æ è¡ã®äžç°ãšããŠ6æ6æ¥ãã6æ17æ¥ãŸã§é»éé±å±±ã蚪ããã圌ã®çãçŸå°ããŒãã¯ãé±ç©åéå®¶ã®å€éšã«èªèããå§ããŠããç¬éã®é±å±±ãæããŠãããããŒãã«ã¯ãåœå°ã2010幎6æé ã«è¯å¥œãªæšæ¬æºãšããŠèªèããããšèšãããŠãããæåã¯è峿·±ãã€ã«ãŽã¡ã€ãã®ãããæ¬¡ãã§ããå€ãã®çš®ãçŸãå§ããããã§ãã£ããšæžãããŠããïŒéæãªæ£å «é¢äœã®èç³ããã³ã¯ãŸãã¯èµ€è²ã®èç³ã䌎ãç éé±ãç³è±ãããã³ããªiteãé»éé±ãç·æ±ç³ããããŠãã³ã¯ã®æ¹è§£ç³ãå ±åã®èå¥®ã¯æçœã§ãã£ããé»éã¯âäž-pocket ã®å¥œå¥ç©âãšããŠç޹ä»ãããŠããã®ã§ã¯ãªãããé±ç©çš®ãå€ãããã«èŠãããç£å°ãšããŠãæšæ¬æ°ãçžåœãªãã®ã ãšç€ºãããŠããã
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åžå Žã¯ç¬èªã®ç©èªãèªãã2013幎7æã«ã¯ãé»éã®ãããã¥ã¢çŽã®ã¹ããšã©ã€ããšããªã³ã¯ã¿ã€ãã®æšæ¬ãããã§ã«æç¢ºãªæè¿çºèŠã®çµã¿åãããšããŠåãæ±ãããŠããïŒ2.6 cmã®å æ²¢ã®ããç°çœè²ã®æ£æ¹æ¶ã¹ããšã©ã€ãããå¹³åŠåããèç¶ã«èŠããéå ã®ããªã³ã¯ã¿ã€ããã«ä»çããã幜çãªçœè²èå ããæŸã€ãã»ãŒåææã«ããšãŒãããã®ãã£ãŒã©ãŒã®èšé²ã¯ãããé«åºŠãªèª¬æãææžåãããããã«ãªã£ãïŒã¢ãªããã³éç³ã®å«æãæã€ã¹ããšã©ã€ããåæäŸãç£éé±ã®çœè²å¯Ÿéäœãç·ããã£ã察éäœçŸ€ãç éé±ãšèç³ãšã®çµã¿åããããªã©ããããæ°ã·ãŒãºã³ã§ãé»éã®ã¹ããšã©ã€ãã¯ããã®é±å±±ããäœãåºãŠããã®ãããšãã£ã段éãããèªèå¯èœãª locality ã¹ã¿ã€ã«ãžãšç§»è¡ããã## é±ç©åŠçèšé²ãšå ¬è¡šç©- Berthold Ottens and GÃŒnther Neumeier, âThe Huanggang Mine, Inner Mongolia, China,â The Mineralogical Record, 43(5), 529â563, 2012 â äž»èŠãªã³ã¬ã¯ã¿ãŒå¿åã® locality èšäºïŒãã®èŠçŽã¯2010幎ã«åžå ŽãžåããŠåºåã£ãè¯å¥œãª ilvaite ã®æšæ¬ãšãèè ãã®é éæ¡æå°ãžã®ç¹°ãè¿ãã®èšªåãææããŠããã
Mindat locality page: Huanggang Fe-Sn deposit, Hexigten Banner, Chifeng City, Inner Mongolia, China â åºç¯ãªåº§æšãå¥åãé±å±±æ§é ãé±ç©ãªã¹ããå°è³ªããŒããåèæç®ãªã©ãå«ããæãæçšãªçµ±å locality èšé²ã
Mindat occurrence record: Scheelite from No. 5 Mine, Huanggang Fe-Sn deposit â No. 5é±å±±ã®ç¹å®ã® scheelite çºçèšé²ãåçãš Ottens and Neumeier ãžã®åç §ãå«ãã
Li Juan Wang, Hidehiko Shimazaki and Yoshihide Shiga, âSkarns and Genesis of the Huanggang Fe-Sn Deposit, Inner Mongolia, China,â Resource Geology, 51(4), 359â376, 2001 â Fe ãš Sn é±äœã®é åãã¹ã«ã«ã³é±ç©åž¯åãæå±€éçšãéæ°Žæ°Žã®é¢äžãåŸæã® Sn-W-Mo-F é±åã説æããåºæ¬çãªã¹ã«ã«ã³çæè«æã
Open PDF copy of Wang, Shimazaki and Shiga, 2001 â å€å žç㪠Resource Geology ç ç©¶ã®å šæå ¬éãœãŒã¹ã
Wei Mei et al., âOre genesis and hydrothermal evolution of the Huanggang skarn ironâtin polymetallic deposit, southern Great Xingâan Range,â Ore Geology Reviews, 64, 239â252, 2015 â æµäœå«æç©ãšåäœäœã®ãªãŒãã³ã¢ã¯ã»ã¹ç ç©¶ãã¹ã«ã«ã³ãé žåç©çžãç¡«åç©çžã®é²åçè§£ã«æçšã
Xin-Tong Liu et al., âFeatures of ore-forming magma and fluid revealed by apatite and zircon geochemistry: A case study from the Huanggang skarn Fe-Sn deposit, NE China,â Ore Geology Reviews, 171, 106182, 2024 â çŸä»£ã®å°çååŠäœæ¥ãé±åé¢é£ã®å²©æµäœçšãçé žå¡©é±ç©ã®ååŠãMoãWãZnãSnãBe ã®å¯åãåé±åºç³»ã«ãããŠç€ºãã
Hanwen Xue et al., âOre Genesis of the Huanggang Iron-Tin-Polymetallic Deposit, Inner Mongolia,â Minerals, 15(5), 518, 2025 â æµäœå«æç©ãH-O-Cåäœäœãã¬ãŒããããšãžã«ã³ããŠã U-Pb 幎代ãå æ®µéã®é±åéçšãå«ãææ°ã®ãªãŒãã³ã¢ã¯ã»ã¹ç·èª¬ã
Mindat minID JQH-3M4: Scheelite with Molybdenite, Arsenopyrite and Magnetite â é»è é±ã®6.9 à 5.6 à 3.9 cmæšæ¬ãšäž»æ¶ 4.5 à 2.3 cmãã¢ãªããã³å«æç©ãå«ãæšæ¬èšé²ã
Fabre Minerals referencäžåœã®æšæ¬ããŒãž â é»å²¡ã®ã»ãªãµã€ãå«ææšæ¬ã®äžã§ã notable ãªæšæ¬ãå«ã¿ãã¢ãªããã³é±ãå«ãåææžã¿ã®ã»ãªãµã€ãããã³Löllingite-ã¢ãªããããŒã-èç³-ç£éé±ãå«ãã»ãªãµã€ãæšæ¬ã¯ãLapisèªã38å·»10å·ã2013幎10æã26ããŒãžã«æ²èŒããããšèšèŒãããŠããŸãã
â å¯èŠå ã玫å€ç·ãçºå ã¹ãã¯ãã«ããŒã¿ãåãã6.5 à 11.5 cmã®æšæ¬ãææžåã## Videos & Media
Scheelite and Calcite from the Huanggang Mine, Chifeng, Inner Mongolia, China â Fluorescent Mineral Society; visible-light, shortwave, midwave, longwave, and emission-spectrum media for a measured Huanggang scheelite-calcite specimen.