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åç: Wikimedia Commons
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åç: Wikimedia Commons## Featured Specimens
Search for specimens: View all barite specimens from Cavnic Mine, Romania
Cavnic Mine is in Cavnic, MaramureÈ County, northern Romania, historically known in the mineral trade under Hungarian and Germanized forms such as Kapnik, Kapnikbánya, and Capnic. The town lies in the Baia Mare district, one of the great polymetallic ore districts of the Carpathian belt. The deposit is part of a low-sulfidation epithermal gold-polymetallic system developed in Neogene volcanic rocks, Paleogene-Miocene sedimentary units, and intruding dioritic bodies.
The Cavnic ore field is usually discussed in two broad zones: Cavnic-BolduÈ to the northwest and Cavnic-Roata to the southeast. The vein system is organized along numerous roughly NNE-SSW parallel structures. Published geological descriptions record veins hundreds to thousands of meters long, with substantial vertical extent, repeated brecciation, banding, cavity filling, and argillic alteration with local silicification and pyritization. This is the architecture that produced both ore and the open spaces in which barite, quartz, calcite, dolomite, and other collector minerals crystallized.
Mining history at Cavnic reaches far back into the medieval record. The settlement is documented in the 14th century, and mining activity is associated with the district from that early period. Modern production at the Cavnic mine is generally given as beginning in 1958, with the mine best known for lead, zinc, manganese, copper, gold, silver, antimony, and barium-bearing mineralization. The localityâs great collector reputation, however, rests on the âflori de minÄââthe mineral âflowersâ recovered from underground workings and preserved in public and private collections.
The mine is no longer a collecting locality in the practical field-collecting sense. Since the closure of the Cavnic mines, underground access has been sealed or rendered unsafe, pumping ceased, and mine structures were dismantled or deteriorated. Serious collectors should treat Cavnic barite as a closed-locality market specimen: provenance, old labels, dealer history, and comparison with museum examples matter far more than any hope of contemporary self-collection.
Notable barite finds include large blue radial aggregates, rare yellow tabular crystals, black tabular specimens, transparent lamellar aggregates, barite with calcite, quartz, pyrite, sphalerite, dolomite, stibnite, and the highly distinctive realgar-included barites. A very small mid-1980s barite-dolomite pocket has been described in the trade as having produced only about a dozen specimens, with sky-blue barite blades on pink dolomite. Realgar-included barites are also repeatedly described as scarce, and the best pieces have a saturated orange-red color quite unlike ordinary pale Cavnic barite.## Cavnicé±å±±ïŒã«ãŒããã¢ïŒç£ã®éæ¶ç³ã®ç¹æ§
ã¯ã©ã·ãã¯ãª Cavnic ã®çµæ¶åœ¢ã¯ããã¬ãŒãç¶ããæ¿ç¶ã®éæ¶ç³ã§ãããããŒãŒããç¶ãè±ç¶ã®éåäœããã¬ãŒãç¶ããŸãã¯æç¶ã®ã¯ã©ã¹ã¿ãŒãšããŠé 眮ãããŸãã åã ã®çµæ¶ã¯å¯ãªæ¿ç¶ã§ã¯æ°ããªã¡ãŒãã«ã®é·ããããªãå ŽåããããŸãããåç©é€šæèµãåžå Žã®æšæ¬ã«ã¯ãæ°ã»ã³ãã¡ãŒãã«çŽã®åéšãæ¿ç¶çµæ¶ãå«ãŸããŸãã åªããæšæ¬ã¯çµæ¶ã®ãµã€ãºã ãã§ãªããæ§é ãã®ãã®ãéèŠã§ãã æŸå°ç¶ã®æé·ãå±€ç¶ãŸãã¯çŸœç¶ã®çžãéæåºŠããããŠæšæ¬ããªãºã çãªãã«ã¹ã§ outward ã«æé·ããæèŠã collectors ã¯éèŠããŸãã
è²ã¯ Cavnic ã®å€§ããªåŒ·ã¿ã®ã²ãšã€ã§ãã éã¯æãããç¥ãããã³ã¬ã¯ã¿ãŒãºã«ã©ãŒã§ãæ·¡ãæ°·æ§ã®éãããã飜åããéç°è²ãŸã§å¹ ããããŸãã äžéšã®éãæšæ¬ã¯ãçç å æ²¢ããã¬ã©ã¹å æ²¢ã®ããæŸå°ç¶æ¿ç¶éåäœã圢æããŸãã åç©é€šã®èšé²ã§ã¯ãCavnic ã®éãéæ¶ç³ã¯ã2ïœ8 cm ã®é·ãã§ãåã 1ïœ5 mm ã®äº€å·®ããæ¿ãããªãè±ç¶ã®æŸå°ç¶éåäœãšããŠèšè¿°ãããŠããŸãã é»è²ã Cavnic ã®éæ¶ç³ã¯åŒ·ãã¬ã©ã¹ç¶ã§ã倧ããªæ¿ç¶çµæ¶ã«ãªãããšããããŸãã é»ãéæ¶ç³ã Cavnic ããå ±åãããŠãããåºè³ªãªãã®éåäœå ã«ã¬ã©ã¹ç¶ã®æ¿ç¶çµæ¶ãå«ãããšããããŸãã éæãçœè²ã®æšæ¬ã¯ãèãå±€ç¶å¡ã圢æããè€æ°æ¹åã«èãè§æ±ç¶ãŸã㯠blade-like èŠçŽ ãçªãåºãããšããããŸãã
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å ±çç©ãšããŠã¯ãç³è±ãæ¹è§£ç³ããããã€ããé»éé±ãéé éé±ãé»é é±ãã¢ã³ãã¢ã³ãªã©ãäžè¬çã§ãã äžéšã®æšæ¬ã¯çŽç²ãªéæ¶ç³ã®éåäœã§ãããä»ã¯ç³è±ãçé žå¡©ãããªã¯ã¹ã®äžã«èŒã£ãŠããŸãã éæ¶ç³âãããã€ãé£åž¯ã¯ã察æ¯ã匷ãå Žåã«ç¹ã«æãŸããŸããæ·¡ããã³ã¯è²ãç²ç¶ã®ãããã€ãã®äžããé亮ãªéãéæ¶ç³ã®åŽé§ã carrying ããŸãã ã¹ãã£ããã€ããæãéé±ãå«ãæšæ¬ã¯ãå€ãã®ã³ã¬ã¯ã¿ãŒããã€ã¢ã»ããŒã¬å°åºå šäœãšçµã³ã€ããéå±ç察æ¯ã远å ããŸãã
å質ã¯è²ãéæåºŠãæ§é ãç¶æ ã§å€æãããŸãã æž æµãªçµç«¯ãæã€æ·¡éè²ã®ããŒããã§ãäžæ¬¡å çãªè¢«èŠããã£ããããŠãããã®ã¯ãå¹³ãã§æ¬ ããæ¿ãããã¯ããã«æãŸããŸãã 倧åãã£ããããæšæ¬ã¯å ¥æå¯èœã§ãããçæ£ã«æ°é®®ãããªå€§æ¿ã¯ãå°ãããŠãããã¥ã¢ãª pieces ããèŠã€ãã«ããã§ãã å®èµ€ãå«ãæšæ¬ã§ã¯ãå éšã®èµ€æ©è²ã®å¯åºŠãèŠãããŸãŒãã³ã°ãèãåç¶ã®èçã®å®å šæ§ãäž»èŠãªåè³ªææšã§ãã éè²ææã§ã¯ãæãåŒ·ãæšæ¬ã¯è²ãšããããããã©ã³ã¹ãããŠããŸããéåºŠã«æããå¹³åŠã«èŠããéè²ææã¯ãå€©ç¶æ§ãšè¡šé¢ç¶æ ãæ éã«æ€æ»ããå¿ èŠããããŸãã## Collector Notes
Cavnic barite is a closed-locality classic, so the first collector question is provenance. Old labels from European collections, Baia Mare or Romanian sources, Crystal Classics, Rob Lavinsky/iRocks, Mardani/Fine Minerals International, or other established dealers add real value, especially for unusual colors. The locality name may appear as Cavnic, Kapnik, Kapnikbánya, Capnic, MaramureÈ, Maramures, or simply Romania; older labels are not always standardized.
Condition is the main practical issue. Cavnic barite blades can be thin, cleaved, and easily bruised at the edges. Rosettes may hide damage in the interior, so inspect across the specimen under low-angle light. Look for broken tips, cleaved blade edges, rubbed high points, and incomplete rosettes. Large plates may have sawn or trimmed backs, which is not necessarily a problem if the display face is natural and undamaged.
Realgar-included barite needs special storage. Realgar is an arsenic sulfide, and it is photosensitive; specimens containing it should be kept out of direct sunlight and away from strong display lighting. Handle normally but sensibly: wash hands after handling, avoid generating dust, and do not let fragile red material abrade against other specimens. A closed display case or dark drawer is preferable for long-term color preservation.
No well-documented, locality-specific epidemic of assembled fake Cavnic barites is part of the standard collector literature, but there are two authenticity concerns worth taking seriously. First, old Romanian blue barite should be separated from other blue sulfate minerals by heft, habit, and provenance; barite is notably heavy for a nonmetallic mineral. Second, irradiation has been reported as a treatment issue for some dark blue Romanian barite and for Romanian smoky quartz, so unusually saturated dark blue pieces without old provenance deserve caution. For higher-value examples, ask for acquisition history, compare the color with museum and long-published examples, and be wary of specimens whose color is too uniform, too dark, or unsupported by any locality history.
Market availability is intermittent rather than rare in the absolute sense. Ordinary Cavnic barite appears periodically in cabinet to miniature sizes, often in the low to mid hundreds of dollars depending on color and condition. Better blue rosettes, large clean plates, and fine realgar-included pieces are much less common. The rare pocket associationsâespecially blue barite on pink dolomite from the small mid-1980s findâbelong in a different tier, where scarcity and provenance drive collector interest as much as visual appeal.## Stories & Field Notes
Cavnicæšæ¬ã«ä»éããæãææ ãæ»ãç«ãŠãã«ãŒããã¢èªã®è¡šçŸã¯ãflori de minÄãâé±å±±ã®è±ã§ããããã©ã çã§ã¯ãããã¯æ¥è ãžã®è©©çãªã©ããªã³ã°ãšããã ãã§ãªããå°äžã§åºäŒãäºæãã¬æ¶äœã®æé·ããäœäžä»£ã«ããããæ¡æè ãšå°å ã®åéå®¶ãã©ã®ããã«æããŠãããã瀺ããã®ã§ãã£ããBaia Mareã®é±ç©æåã®èšé²ã«ã¯ãæ¡æè ãäœæ¥ãããããã®çŸçã»ç§åŠçãªé©ããæãåºããå®¶åºã®ãã£ã¹ãã¬ã€ã±ãŒã¹ã«èªãããã«é£Ÿã£ãäŸãæãããŠããã Cavnicã®æ¹è§£ç³ééééã¯ãã®æåã«å±ããïŒé©åãªãã±ããã§ã¯ãéãç¡«é žããªãŠã é±ç©ãè±æã®ããã«æé·ããã
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Baia Mareåç©é€šã®èšé²ã¯ Cavnic æ¹è§£ç³ã«å ¬çãã»ãšãã©ååŒçãªååšæãäžããŠããããFlutureleãâãè¶ãâãšåŒã°ããé»è²ãæšæ¬ã¯ãçŽ5 mmåã®2ã€ã®äž»èŠãªã·ãŒãç¶çµæ¶ã§ã匷çãªé»è²ãšé»ã垯ã³ãå æ²¢ããããè¿ãã«å°ããªé»è²ãçµæ¶ãå¯ãæ·»ã£ãŠæé·ããŠãããåãæšæ¬ïŒåšåº«2679ïŒã¯ã18 x 12 x 14 cmãæž¬å®ããã«ãŒããã¢ã®åœå®¶æåéºç£ã®å®åº«ã«åé¡ãããŠããããã㯠Cavnic ãåãªãçŸããéè²ã®ã¹ãã¬ãŒã®ç£å°ã§ã¯ãªããæŽå²çã«éèŠãªé±ç©ãªããžã§ã¯ãã®å°ç¹ã§ããããšãæç¢ºã«ç€ºãæ¹è§£ç³ã®å žåã§ãããå¥ã®åç©é€šæèµã® Cavnic ãã©ã€ãã¯ãéæãªãéªã®è±ããšããŠèª¬æãããŠããïŒèãé·ãããªãºããã£ãã¯ãªéåäœãå šæ¹åã«åããæã€ã19 x 14 x 7 cm ã®æšæ¬ã§ãé·ãæ°ããªã¡ãŒãã«ãã50 mmãŸã§ã®èŠçŽ ããããå°ããªèæ¿ç¶ã®ãã©ã€ãçµæ¶ããæãã
Baia Mare åç©é€šã瀺ããé»ã Cavnic ãã©ã€ãæšæ¬ã¯ã7ã€ã®ããçºéããæ¿ç¶çµæ¶ã®èŠåçãªéåäœãšããŠèª¬æãããå¹ ã¯100ã40 mmãåãã¯æå€§8 mmã匷ãé»è²ãšã¬ã©ã¹ç¶å æ²¢ãæã€ã
è¶ãéªã®è±ãé»ãçµæ¶ã®èéäœãéãæŸå°ç¶ã®è±æã®éã«ãã£ãŠãCavnic ã®ãã©ã€ãç©èªã¯åäžã®æ¡æå ŽãšããŠã¯ç°åžžã«åœ©åºŠãé«ãã## é±ç©èšé²ãšåºçç©
Mindat â Cavnic Mine, Cavnic, MaramureÈ County, Romania â Cavnicé±å±±ã®æ žå¿æåšå°èšé²ãæŽå²çåç§°ãé±ç©ãªã¹ããåçãåèæç®ãå«ãã
Mindat â Cavnic, MaramureÈ County, Romania â åºåã® Cavnic é±åºã瀺ãå°åºã¬ãã«ã®èšé²ãééç¶æ³ãååãé±ç©ã®å€æ§æ§ãèšèŒã
Grancea, L.; Bailly, L.; Leroy, J.; Banks, D.; Marcoux, E.; Milési, J.P.; Cuney, M.; André, A.S.; Istvan, D.; Fabre, C. (2002), âFluid evolution in the Baia Mare epithermal gold/polymetallic district, Inner Carpathians, Romania,â Mineralium Deposita 37, 630â647 â Cavnic ã Baia Mare ã®ãšãã¿ã«ç³»éé±/å€éå±ç³»ã·ã¹ãã å ã§ã®éèŠãªæµäœå æã»éºäŒç ç©¶ã
Cook, N.J. et al. / Carpathian Journal of Earth and Environmental Sciences â âTellurides occurrences in the Baia Mare region, Romaniaâ â Cavnicé±åºã®ç°¡æœãªå°è³ªèª¬æãèæ§é ãé±å段éãããã³ Cavnic-BolduÈ/Cavnic-Roata ã®ãŸãŒãã³ã°ãå«ãã
Muzeul JudeÈean de Mineralogie âVictor Gorduzaâ Baia Mare â mineral collection â é€šã®æŠèгãCavnicãã³ã¬ã¯ã·ã§ã³ã®äž»èŠæºã§ããããšãèšé²ããéæè²ãé»è²ãèµ€è²ãéè²ãé»è²ã® Cavnic æ¹è§£ç³ãæç®åã
Muzeul JudeÈean de Mineralogie âVictor Gorduzaâ Baia Mare â Virtual Museum â Cavnicé±å±±ç±æ¥ã®éè²ããã³é»è²ã®æ¹è§£ç³ãå«ã3Dé±ç©ã¢ãã«ã®ã€ã³ããã¯ã¹ã
Institutul NaÈional al Patrimoniului â classified barite specimen, inventory 2679 â Baia Mareã®åç©é€šã³ã¬ã¯ã·ã§ã³ã«ããé»è²ãšé»ã® Cavnicæ¹è§£ç³ã®æšæ¬ã®åœå®¶éºç£èšé²ã
Wikimedia Commons â Baryte from Cavnic, former Daniel Curie collection, Sorbonne University mineral collection â ã³ã¬ã¯ã·ã§ã³ç±æ¥ã®åç©é€šæšæ¬ç»åã
Wikimedia Commons â Baryte-261580, Cavnic â Rob Lavinsky ã«ããæ®åœ±ã® Cavnic æ¹è§£ç³æšæ¬ã®éãããŒãŒããã
Wikimedia Commons â Barite-Realgar, Cavnic â Rob Lavinsky ã«ããæ®åœ±ã® Realgar 嫿 Cavnic æ¹è§£ç³æšæ¬ã## Videos & Media
Baritina albastra â Mina Cavnic, Muzeul JudeÈean de Mineralogie âVictor Gorduzaâ Baia Mare â 3D/AR model of a blue Cavnic barite specimen, inventory 12863, measuring 25 x 20 x 15 cm.
Baritina galbena â Mina Cavnic, Muzeul JudeÈean de Mineralogie âVictor Gorduzaâ Baia Mare â 3D/AR model of the yellow âFlutureleâ Cavnic barite specimen, inventory 2679, measuring 18 x 12 x 14 cm.
EarthWonders â Baryte, Cavnic Mine, MaramureÈ County, Romania â Marketplace specimen page documenting a realgar-included Cavnic barite miniature with photo and video mediaã