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Key facts
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Search for specimens: View all peridot specimens from Sapat Gali, Pakistan
Sapat Gali is a high mountain gem locality in northern Pakistan, usually placed in mineral records as Sapat Gali, Naran, Kaghan Valley, Mansehra District, Khyber Pakhtunkhwa Province. Older gemological and mineralogical literature may use North West Frontier Province, Sapat Valley, Sapat Nala, Sappat, Soppat, Suppat, or Kohistan in the locality wording. For specimen labels, the most useful modern convention is âSapat Gali, Naran, Kaghan Valley, Mansehra District, Khyber Pakhtunkhwa Province, Pakistan,â with the understanding that the geological frame is the Sapat mafic-ultramafic complex of the Kohistan arc.
The deposit is hosted by dunite within a mafic-ultramafic complex. In the gem-bearing zones, peridot occurs in pockets and veins associated with shear zones in partially serpentinized dunitic rocks. The Sapat complex itself has been described as a layered mafic-ultramafic body at the tectonic base of the Kohistan island arc, exposed near the Indus suture zone and the Main Mantle Thrust. The regional rock package includes ultramafic cumulates such as dunite, harzburgite, lherzolite, chromitite-bearing zones, pyroxenite, and gabbroic rocks.
Mining is small-scale, seasonal, and physically difficult. The mine area has been reported at roughly 4,500 m, or about 15,000 feet, above sea level. One published access description notes a seven-hour horseback ride followed by a two-day hike from the nearest populated area, with the Jalkot Valley route specifically described as dangerous and unsuitable for nonlocals. This is not a casual collecting site. Material reaches the market through miners, local traders, Peshawar and other Pakistani gem networks, and international dealers rather than through routine collector access.
Production began to affect the international market in the early 1990s, with 1994 standing out as the moment when large quantities of fine Pakistani peridot entered wider gem and mineral channels. Dealer records and auction descriptions repeatedly describe the main specimen-production era as roughly 1994 to about 2010, with much less fresh material in the following decade. Small crystals and cuttable rough still appear, but fine sharp specimensâespecially matrix pieces, clusters, and large undamaged singlesâare no longer encountered with the ease they once were.
Notable finds include loose gemmy crystals, sharp miniatures, crystals with black ludwigite-vonsenite needles, and rarer combinations with magnetite. Mindat records the species at Sapat Gali as forsterite variety peridot, with crystals reported to 15 cm. GIA has illustrated Pakistani examples including a 7.9 cm tall crystal paired with a 64.57 ct cut stone, and the same Sapat Valley production made possible important suites of matched faceted peridot in the early 2000s.## ããã¹ã¿ã³ã»ãµãããã»ã¬ãªç£ããªãããã®ç¹åŸŽ
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That Fifth Avenue ã® ending 㯠Sapat Gali ãšã¯å¥ç©ã§ã¯ãªãïŒããã¯ãã® locality ãå€ãã£ãããšã®èšŒå·Šã§ãããé ããŠé£ãããå£ç¯çãªããã©ã€é±å±±ããããªããã»ãžã§ã¢ãªãšã®ããã«æž æµã§åäžãªããªããããäŸçµŠããäžæ¹ã§ãåãé±åºãèªç¶ã®çµæ¶ãçŸè¡æšæ¬å®€ã«ãµããããéãäŸçµŠããŠãããããå°æ°ã®ããªãããç£å°ã ãããå®ç³ã«ããè·äººãšæšæ¬åéå®¶ã®åæ¹ã«ããã»ã©åŒ·ã圱é¿ãäžããããšã¯ãªãã## é±ç©åŠçèšé²ãšåºçç©
M. Q. Jan and M. A. Khan, âPetrology of gem peridot from Sapat mafic-ultramafic complex, Kohistan, NW Himalaya,â Geological Bulletin, University of Peshawar, Vol. 29, pp. 17â26, 1996 â Sapatã®å®ç³è³ªããªãããã«é¢ããäž»èŠãªå²©çžåŠåèæç®ãMindatããã³åŸã®å®ç³åŠæç®ã§åŒçšãããŠããã
M. Q. Jan, M. A. Khan, and S. Qazi, âThe Sapat mafic-ultramafic complex, Kohistan arc, North Pakistan,â Geological Society, London, Special Publications, Vol. 74, pp. 113â121, 1993 â Sapatè€äœãšå±€ç¶åºæ§-è¶ åºæ§å²©å°è³ªã®åºæ¬è«æã
Robert E. Kane, âThe Creation of a Magnificent Suite of Peridot Jewelry: From the Himalayas to Fifth Avenue,â Gems & Gemology, Vol. 40, No. 4, pp. 288â302, 2004 â ãã€ã€ã¢ã³ãåžå Žã𿡿ã¢ã¯ã»ã¹ãå«ç©ãã«ããæ©çãŸããVan Cleef & Arpelsã®äžé£ãå«ããSapat Valleyããªãããã®å®ç³åŠçãã€åžå Žçãªè©³çŽ°å ±åã
Wendell E. Wilson, âSapat Gali, Mansehra district, Khyber Pakhtunkhwa Province, Pakistan,â Mineralogical Record, Vol. 51, No. 6, pp. 785â801, 2020 â The Mineralogical Recordã®2020幎11-12æå·ã«æ²èŒãããSapat Galiã«ç¹åããäž»èŠãªç£å°èšäºã
A. B. Kausar and T. Khan, âPeridot mineralization in the Sapat ultramafic sequence, Naran-Kohistan, Pakistan,â Geologica, Vol. 2, pp. 69â75, 1996 â Kaneã®Gems & Gemologyã®åèæç®ã«åŒçšããããSapatããªãããé±åã«é¢ããéèŠãªåææç®ã
Khyber Pakhtunkhwa Directorate General Mines & Minerals, âFollow-up Exploration Targets (Metals and Gemstones), Hazara,â 2014 â Kaghan Valleyã®Sapatããã³Besalå°åã§ã®å®ç³å質ããªããµã€ããå«ãã貎éå±ããã³å®ç³ã®å°è³ªèª¿æ»ãææããæ¿åºèª¿æ»å ±åæžã## ãããªãåèæç®ãšå€éšãªã³ã¯
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