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Search for specimens: View all quartz specimens from Grimsel area, Switzerland
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Signature Grimsel quartz crystal ã¯ããªãºã ç¶ã§å æ²¢ãããã端éšãæž æœã«çµç«¯ãããŠãããã¢ã«ãã¹ç¹æã® form ã®æŽç·Žããæã€: éãããªãºã é¢ãè±åœ¢ã®ç«¯éšããããŠå éšãç €ããŠããŠãæãããä¿ã€ã¬ã©ã¹ç¶ã®è¡šé¢ãè²ã¯ç¡è²ã®ããã¯ã¯ãªã¹ã¿ã«ãããæ·¡ãç è²ãã·ã§ãªãŒããŒã³ãã¯ããŒããã©ãŠã³ãæãç æ°Žæ¶ãžãšå¹ ããããç¡è²ã®çµæ¶ã¯ç¹ã«ã²ã«ã¹ãã³ãšãã°ïŒGersteneggïŒã§ç®ç«ã¡ããããã¯ã°ãªã ãŒã«ã®èç³å«ææšæ¬ã®äžéšã§ãèŠãããïŒç æ°Žæ¶ã¯é«ã¢ã«ãã¹ã®å²ãç®ã§ããèŠãããåéå®¶ã®å®çªåã§ããã
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åç: Wikimedia Commons## Collector Notes
Grimsel quartz is a classic rather than a mass-market commodity. Good specimens appear regularly, but fine ones are tightly held, especially gwindels, quartz with well-placed pink fluorite, large transparent smoky crystals, and pieces with old Swiss provenance. The market recognizes precise Alpine labels: âGrimsel areaâ is acceptable, but âZinggenstöcke,â âRufibach cleft,â âOberaar,â âJuchlistock,â or âGersteneggâ can matter greatly when supported by credible old labels, collection history, or dealer documentation.
No standard locality-specific treatment is part of the accepted Grimsel quartz market. The normal authenticity concerns are more practical: overly broad locality labels, repaired gwindels, reattached crystals, cleaned or acid-brightened surfaces without disclosure, and specimens assembled from multiple pieces. Because Alpine quartz can break cleanly and because gwindels are thin, flat, and valuable, repairs at the base or along stress fractures deserve close inspection under magnification and strong side lighting.
The most common condition issues are edge bruising, small chips on terminations, contact scars where the crystal grew against the cleft wall, chlorite-filled cracks, and dull etched areas. Natural etching is not automatically a flaw; on some Grimsel smoky quartz it adds texture and evidence of pocket history. Damage is different: look for interrupted luster, fresh conchoidal chips, unnatural glue lines, and mismatched surface gloss.
For quartz with pink fluorite, condition grading should include both species. Fluorite octahedra are softer and more vulnerable than quartz, so tiny cleaves or frosted corners are common. A specimen with undamaged fluorite, clean contrast against quartz, and no distracting matrix breakage is substantially scarcer than a merely colorful piece.
Provenance has special weight here. Old Swiss collections, strahler labels, museum deaccession histories, and named dealer lineages can help separate a genuinely classic Grimsel specimen from a generic âSwiss Alpsâ quartz. For high-value pieces, insist on photographs under multiple lighting angles, a clear statement of repairs, and a label trail that names the sublocality as specifically as possible.## Stories & Field Notes
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æ¡æåŸã®é²é ãçµéšããŠããã³ã¬ã¯ã¿ãŒã«ãšã£ãŠãåãåºããæž æãåºè·ããããŠäœå幎ã«ããããã©ãã«ä»ãã®äœæ¥ãçµãŠåã㊠Alpine Minerals ãç®ã«ããããšã«æ £ããŠãã人ã«ãšã£ãŠãGerstenegg ã¯çšæãªèšæ£ã§ãããããã¯ããã±ãããã建ç¯ãšããŠç€ºãïŒ Grimsel ã®è±åŽéç·å²©äžã®çްé·ããæ¥å圢ããã»ãŒåæ±ç¶ã®ç©ºæŽã§ãçŽ14ã¡ãŒãã«ã®èŠããè£ãç®ãæŒçœãããå£å²©ãšé±ç©ãæé·ã®é åºãšå§¿å¢ã®ãŸãŸé 眮ãããŠãããã¬ã©ã¹ãšéæ¿ã¯ã³ã¬ã¯ã·ã§ã³ã®éå£ã§ã¯ãªããããããçŸå°ãå®å šãªé±ç©åŠçæ æ¯ãšããŠä»ãªãååšãããŠããçç±ã§ããã## é±ç©åŠçèšé²ãšå ¬è¡šç©- Stefan Graeser, âAlpine Minerals: A Review of the Most Famous Localities of the Central Swiss Alps,â Rocks & Minerals 73:1, 14â32, 1998 â äžå€®ã¹ã€ã¹ã¢ã«ãã¹ã®æãæåãªé±åºãæŠèª¬ããéèŠãªè±èªæç®ã§ãZinggenstock ã®çç£ãRufibach ã®çºèŠãGerstenhorner ã®ç æ°Žæ¶ãæ°Žåãã³ãã«ã®çºèŠãä¿åããã Gerstenegg ã®å²ãç®ãç¹éãã Grimsel éšåãå«ãã
Mindat: Grimsel area, Bern, Switzerland â Grimsel å°åã®ã³ã¢ã»ããŒã«ãªãã£ãŒã»ããŒã¿ããŒã¹ã§ãäžäœå°åãšç³è±ãç æ°Žæ¶ãååæ¶ãgwindel æ°Žæ¶ãsceptre æ°Žæ¶ãã¢ã¡ãžã¹ããé¢é£çš®ã®èšé²é±ç©ãªã¹ããå«ãã
Grimsel Test Site: The Crystal Caves at Grimsel â Gerstenegg ã®çºèŠãä¿è·ãé±ç©åŠã圢æããããŠèŠåŠæ¡å ã®å ¬åŒè§£èª¬ã
Grimsel Test Site: Overview of the Geology at Grimsel â Aar Massif ã®å°è³ªçèæ¯ãã¢ã«ãã¹ã®å€åœ¢ãéèµ·ãè£ãç®åœ¢æã®èŠçŽã
Grimsel Test Site: Geology of the Grimsel Test Site â Nagra æè¡å ±å NTB 19-01 ããé©çšãããæè¡çå°è³ªèæ¯ïŒå®¿äž»å²©ãšæ§é çèšå®ã®çè§£ã«æçšïŒã
H. A. Stalder, âBeschreibung der geschÃŒtzten Mineralkluft Gerstenegg, Grimsel, Bern,â Mitteilungen der Naturforschenden Gesellschaft in Bern 43, 41â60, 1986 â ä¿è·ããã Gerstenegg é±ç©å²ãç®ã®ç§åŠçèšè¿°ãE-Periodica ã§å ¥æå¯èœã
Olivier Roth, âDie geschÃŒtzte Kluft âGersteneggâ,â Kristalle.ch â Gerstenegg å²ãç®ã®çŸå°åœ¢åŒã®è©³è¿°ãçºèŠã®æŽå²ã寞æ³ãåèæç®ãä»®æ³ãã¢ãŒçŽ æãå«ãã
H. A. Stalder, E. Rufibach, D. Forter and P. Vollenweider, âDie geschÃŒtzte Mineralkluft an der Gerstenegg, Grimsel BE,â Schweizer Strahler 7(10), 433â456, 1987 â Gerstenegg å²ãç®ã®ä¿è·ã«ã€ããŠã®äž»èŠãªãã€ãèªè«æã Kristalle.ch ã®åèæç®ãªã¹ãã§åŒçšã
H. A. Stalder, âPetrographische und mineralogische Untersuchungen im Grimselgebiet (mittleres Aarmassiv),â Schweizerische Mineralogische und Petrographische Mitteilungen 44, 187â398, 1964 â Grimsel å°åã®åºç€ãšãªã岩ç³ã»é±ç©åŠç ç©¶ãMindat ã®ããŒã«ãªãã£åç §ã§åŒçšã
B. Teige and A. Willener, âDie Gwindelkluft an der Oberaar (BE) oder wenn Strahler strahlen,â Schweizer Strahler 10(11), 19973.html) â Oberaar ã® gwindel-bearing cleft ã«é¢ããç¹å®ã®å ¬è¡šç©ãMindat ã® Grimsel å°åã®åç §ã«æ²èŒã
Stalder, Wagner, Graeser and Stuker, Mineralienlexikon der Schweiz, Wepf, 1998 â Grimsel å°åã®çš®ãšãµãããŒã«ãªãã£ã§ç¹°ãè¿ãåŒçšãããæšæºçãªã¹ã€ã¹é±ç©åèæžã## Videos & Media
Six-minute Swiss television segment in which mountain guide and strahler Ernst Rufibach discusses the discovery and opening of the Gerstenegg crystal cleft to visitors. URL:
âDie geschÃŒtzte Kluft âGersteneggââ virtual tour â Olivier Roth / Kristalle.ch. Interactive photographic and stereoscopic presentation of the protected Gerstenegg cleft, including the visible front, middle, and rear zones. URL: https://www.kristalle.ch/strahlen/Geschuetzte_Kluft_Gerstenegg.asp
Grimsel Hospiz: Grimsel Underground â Grimselwelt / Kraftwerke Oberhasli AG. Current official tour information for visiting the Grimsel 2 power station and the Gerstenegg crystal grotto. URL: https://www.grimselwelt.ch/en/hospiz-grimsel-underground/## ãããªãèªè§£ãšå€éšãªã³ã¯
Mindat: Grimsel area, Bern, Switzerland â çš®é¡ãªã¹ããäº localityã locality éå±€ã®æé©ãªåºçºç¹ã
Mindat: Grimsel pass, Guttannen, Bern, Switzerland â é¢é£ããå³ ã¬ãã«ã®å±å°ããŒãžã§ã远å ã®ç³è±ãšgwindelã®åç §ããã
Grimsel Test Site: The Crystal Caves at Grimsel â çºèŠæ¥ãé±ç©åŠãå°è³ªåœ¢æã®å ¬åŒ Gersteneggè£çªã®èŠçŽã
Grimselwelt: Power station tour Hospiz â Grimsel Underground â Gersteneggçµæ¶æŽçªãã¢ãŒã®å ¬åŒèŠåŠè åãããŒãžã
Kristalle.ch: Die geschÃŒtzte Kluft âGersteneggâ â åçãå°å³ãåèæç®ãä»®æ³ãã¢ãŒãå«ãå å®ãããã€ãèªåã®çŸå ŽãšæŽå²ããŒãžã
Wikimedia Commons: Minerals of Grimsel area â ãã®å±å°ã®ç³è±ãç æ°Žæ¶ãç³è±-èç³ã®åçãå«ãå ¬éç»åã«ããŽãªãŒã
Graeser 1998: Alpine Minerals, Rocks & Minerals â äžå€®ã¹ã€ã¹ã¢ã«ãã¹ã®é±ç©å±å°ã®èŠç¹è§£èª¬ã§ã Grimselã«é¢ããç°¡æœã§æçšãªã»ã¯ã·ã§ã³ãå«ãã
E-Periodica: Mitteilungen der Naturforschenden Gesellschaft in Bern, vol. 43, 1986 â Gersteneggä¿è·é±ç©è£çªã®Stalderã«ããç§åŠçèšè¿°ã®åºå žã
SRF Play: âKristall-Grotteâ â Ernst RufibachãšGersteneggçµæ¶æŽçªã®éæŽãç¹éãã1987幎ã®ãã¬ãæ åã