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ã³ã¬ã¯ã¿ãŒã¯ã·ã£ãŒãã§ç¡å·ã®çµç«¯éšãã¬ã©ã¹å æ²¢ããããã¹ã«ã¹å æ²¢ãå éšã®æçãªåž¯ç¶ãèªç¶ãªèµ€ãèµ€éé±å å ç©ã®é®®ãããããããŠå±ç€ºã«åãçµæãæ±ããŸããããè¯ãæšæ¬ã§ã¯ããªã¬ã³ãžè²ãèµ€è²ã®è²ã ãã§ãªããå å ç©ãæé·ã®æŽå²ãèšé²ããŠããç¹ãé åã§ããçœè²ãŸãã¯ç¡è²ã®æ¹è§£ç³è¯ãéåãå€ãå«ãèµ€ã垯ããããŠåŸæã®éæãªãªãŒããŒã°ããŒã¹ãäžã€ã®çµæ¶ã«ãã¹ãŠèŠãããããšããããŸãã## Featured Specimens
Search for specimens: View all calcite specimens from Leiping Mine, China
Leiping Mine is listed at Leiping, Guiyang County, Chenzhou, Hunan Province, China, with an estimated position near 26° N, 113° E. In collector usage, âLeipingâ can refer both to the named Leiping Mine and to nearby Leiping-area workings such as Mine No. 884 and Xinxin Mine, so labels should be read carefully. Mindat treats Leiping Mine, Mine No. 884, and Xinxin Mine as distinct locality entries under Leiping; specimen labels and dealer descriptions, however, often use the broader Leiping Mine name for material from the same collecting district.
The mineral list for the named Leiping Mine is compact: calcite, hematite, quartz, and smithsonite are recorded. Photo-based associations for calcite from Leiping emphasize hematite most strongly, with quartz and pyrite also reported on specimens. Mine No. 884 is more narrowly documented for calcite and hematite, and it is the source most often connected with the celebrated V-shaped calcite twins attributed to Leiping.
Geologically, the locality lies in southern Hunanâs polymetallic province, within regional belts that host major Mesozoic magmatic-hydrothermal and skarn-related mineralization. For specimen purposes, the Leiping calcites are best understood as open-space hydrothermal calcite growths in an iron-bearing environment: the calcite grew in pockets or vein cavities, while hematite and iron oxides became included, dusted, coated, or concentrated as phantoms during successive growth episodes. The accessible collector literature emphasizes the specimen style far more than mine-scale ore geology, so the precise orebody classification of the Leiping calcite pockets should not be overstated from specimen labels alone.
The collecting history is relatively modern. The classic Leiping and Mine No. 884 calcites entered the market mainly in the late 1990s and early 2000s. Many dealer descriptions from major auction and retail archives repeat the same chronology: the V-twin âbutterflyâ calcites were recovered around 2000, the spiky and multi-generational habits followed or overlapped in the early 2000s, and the finest examples now tend to come from older collections rather than fresh mining.泚ç®ãã¹ãçºèŠã«ã¯ãå®ç³ç¶ã®Våäºéçµæ¶ãé žåé嫿ã®ã¹ã«ã¬ããããã³çŸ€ãèµ€ã¿ã垯ã³ããã¡ã³ãã ãå«ãéæãªè±å矀ããããŠå€§ããªãã£ããããçŽã®æšæ¬ãæãããããæç®ã«æ®ãLeipingç£ã®æšæ¬ã®äžã€ã¯ãµã€ãºã29Ã18Ã6.5 cmã§ãè§éç¶ã®ç«¯éšãæã€åã¿ã®ããæ¹æ¿ç¶ã®æ¹è§£ç³çµæ¶çŸ€ããæ§æãããå éšãã¡ã³ãã ãèŠèªã§ãããå¥ã®å€§ããªMine No. 884ãã£ããããæšæ¬ã¯ã2025幎ã®ãªãŒã¯ã·ã§ã³ã§è²©å£²ããã41Ã22Ã19 cmã®å€§ããã§ãå 端ãžåãã£ãŠçްããªãæ¹è§£ç³ã®å°å¡ãæå€§7.5 cmé·ã§ãããšå ±åãããããããã®å€§ããªæšæ¬ã¯ãLeipingãåãªããããã¥ã¢ããµã ãã€ã«çãªç£å°ã§ã¯ãªããèŠæš¡æã質æã匷ãèå°æãåããæ¬æ Œçãªãã£ããããæšæ¬ãçã¿åºããããšã瀺ããŠããã
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Leiping calcite is widely collected but no longer common in top quality. Ordinary examples still appear online, especially small iron-stained calcites and modest rhombic groups, but sharp, balanced V-twins and large undamaged cabinet specimens are much scarcer. Much of the better material circulating today has collection provenance rather than fresh mine provenance.
Authentication is mostly a matter of locality confidence and style recognition. Classic Leiping specimens should show natural calcite luster, believable hematite or iron-oxide zoning, and growth forms consistent with the district: V-twins, spiky scalenohedrons, broad rhombs, pyramidal terminations, stacked growth, or multi-generation phantoms. Because other Chinese calcite localities also produce red, orange, and âchocolateâ calcites, labels should not be accepted on color alone. The most convincing pieces have old dealer labels, collection history, minID records, or a specimen style matching well-documented Leiping and Mine No. 884 material.
There is no need to assume that vivid red-orange Leiping calcite has been dyed. The locality is genuinely known for hematite and iron-oxide coloration. Still, calcite in general is vulnerable to artificial coloring, surface coating, acid cleaning, gluing, and repair, and general calcite fakes exist in the broader market. Brightly colored carbonate specimens from any source should be inspected under magnification for dye concentration in cracks, unnatural surface films, glue at attachment points, and color that sits only on broken or porous areas.
Condition is the central issue. Calcite is soft, has perfect rhombohedral cleavage, and Leiping crystals often stand proud on thin matrix plates or as delicate twins. Chipped tips, cleaved side faces, bruised edges, and contacted crystal faces are common. Some specimens have sawed backs or trimmed matrix bases to improve display; this is not inherently fraudulent if disclosed, but it affects value for collectors who prefer fully natural bases. Large plates should be checked for repaired crystals, stabilized matrix, and old impact points along the edge of the plate.
Market availability spans a wide range. Small to modest Leiping calcites can be found in the low hundreds of dollars, and recent online listings have shown examples in roughly the $90 to several-hundred-dollar range. Better cabinet specimens, especially sharp twins or large multi-generational plates, move higher. A large Mine No. 884 cabinet specimen from the Dan Kennedy Collection sold at Heritage Auctions in October 2025 for $2,000, while several MineralAuctions examples in 2023â2024 closed in the mid-hundreds. Exceptional older-label twins, large undamaged display pieces, and specimens from notable collections command premiums well beyond ordinary iron-stained calcite.## Stories & Field Notes
Leiping ã®ç©èªã¯ãçŸä»£ã®æšæ¬åžå Žãåçž®ããç©èªã§ããå幎çŽã®è»¢æç¹é ã«äžåœã®é±å±±ãç¹åŸŽçãªæ¹è§£ç³ãäžæã«ç£åºããæè¯ã®æšåã¯åœéçãªãã£ãŒã©ãŒãå人ã³ã¬ã¯ã·ã§ã³ãžæ£åžãããäžäžä»£ã®ãã¡ã«ãã®çŽ æã¯ recognizable ãªã¯ã©ã·ãã¯ãžãšæé·ããŸãã
Wikimedia Commons ã§ä¿åãããäžã€ã®æšæ¬èª¬æã¯ãç¹ã« Mine No. 884 ã®çŽ æã«é¢ããè奮ãããæããŠããŸããDr. Stephen Smale ã³ã¬ã¯ã·ã§ã³ããã®ãã®æšåã¯ããµã€ãºã 8.3 x 5.4 x 4.3 cmãå 端ããå 端ãŸã§ããã 2 cm ã®å°ãããŠãããçŽç²ãªåæ¶æ¹è§£ç³ããéãæ£ã®éã«ä¹ããŠããŸããã説æã¯ããããçŸä»£äžåœã§æãæåãªåäžã®æ¹è§£ç³çºèŠã®äžéšããšåŒã³ãã³ã¬ã¯ã¿ãŒã®èªæãšããŠç¢ºãã«é¿ã衚çŸã§ããããªããããã®æšæ¬ãä»ãªã匷ãå声ãæã€ã®ãã説æããŠããŸãããã®çºèŠã®æè¯ã®æšåã¯åã«èµ€è²ã®æ¹è§£ç³ã®ããã«èŠããã ãã§ã¯ãªããèšèšãããããã«èŠããŸããâãã€ã³ã®ç¿Œãéç¶ã®å°ç«¯ãåéæã®äœãèµ€éé±ã®ã¢ã¯ã»ã³ããç«äœçãªé 眮ãåçã ãã§ã¯ãã¹ãŠäŒãåããŸããã
å ¬éç»åèšé²ã®å¥ã® Leiping æšæ¬ã¯å¥ã®ç©èªãèªããŸããè¶ã®ãã€ã³ã§ã¯ãªãã巚倧ãªãã¬ãŒãã§ãããµã€ãºã¯ 29 x 18 x 6.5 cmã壮芳ãªçºèŠããã®å·šå€§ãªãã¬ãŒããšããŠèšè¿°ãããå¹ åºãééæã®ããçµæ¶ã察称çãªãã©ãããç¶ã®å 端ãå éšã®ãã¡ã³ãã ãç¹åŸŽã§ãããçµç«¯ã®ããã€ãã¯å¹ 3 cm ãè¶ ããŸãããããã¯ã³ã¬ã¯ã¿ãŒãèŠããŠããã¹ã枬å®å€ã®å žåã§ãããLeiping ããé åçãªãµã ãã€ã«ãçãå€ãã®å±æå°ããåããã倧åã®ãã£ãããããã¬ãŒããçã¿åºãå Žæã§ããããšã瀺ããŠããŸãã
çŸä»£ã®ãªãŒã¯ã·ã§ã³è·¯ç·ã¯ãããããã®äœçãä»å ããŸããDaniel âDanâ R. Kennedy ã³ã¬ã¯ã·ã§ã³ã® Mine No. 884 ãã£ããããæšæ¬ã¯ 2025幎10æã«è²©å£²ããããµã€ãºã¯ 41 x 22 x 19 cmãé·ã 7.5 cm ã®æ¹è§£ç³ã¹ãã€ã¯ãå ±åãããŸãããããã«ãããLeiping ã®çºèŠã¯æ°ããçºèŠã§ãªããªã£ãŠããŸããã確ç«ãããã¯ã©ã·ãã¯ãšã㊠provenanceãå±ç€ºå質ãä¿åç¶æ ãéããŠåè©äŸ¡ãããŠããã®ã§ãããªãŒã¯ã·ã§ã³ã®èª¬æã«ã¯ãå 端ã®ããã€ãã«å°ããªæŠãå·ããããš noted ãããŠããâ倧ããªæ£ãæã€æ¹è§£ç³ã«ã¯ã»ãŒé¿ããããªãã³ã¡ã³ãã§ããâæšæ¬ã®ã¹ã±ãŒã«ãšé 圢çãªåºããã¯ã掟æãªæ°ããäžåœç£æšæ¬ãåžå Žã«çŸããŠããã³ã¬ã¯ã¿ãŒã Leiping ã®çŽ æãžç¹°ãè¿ãæ»ã£ãŠããçç±ã瀺ããŠããŸãã
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