Gypsum from
Simplon Railway tunnel (north section), Termen, Brig, Valais, Switzerland

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Locality type:	Tunnel
Classification
Species:	Gypsum
Formula:	CaSO4 · 2H2O
Confirmation
Validity:	Believed Valid
Data
Mineral Data:	Click here to view Gypsum data
Locality Data:	Click here to view Simplon Railway tunnel (north section), Termen, Brig, Valais, Switzerland
Data Identifiers
Mindat Occurrence Record ID:	386235
Long-form Identifier:	1:3:386235:3
GUID (UUID V4):	96a57a3d-033a-4b94-8550-987f2e65c30a
References
Weibel, M. (1990): Die Mineralien der Schweiz, 165. Wilson, Wendell E. (2023) Alpine Anhydrite from the Simplon Tunnel, Switzerland. The Mineralogical Record, 54 (4) 479-500
Reference Search (possible matching items)
(2022, November) Refined Elegance - The Small Treasures of Mineralogy. The Mineralogical Record Vol. 53 (6.1) The Mineralogical Record, Inc. Journal (issue) Hematite “iron rose,” 3 cm, from St. Gotthard, Switzerland. (11) Tourmaline, 2.6 cm, from Elba, Italy. ...by The Mineralogical Record, Inc., © 2022 5347 North Ridge Spring Place, Tucson, Arizona 85749 Softcover:...the 26 Figure 24. Bustamite, 2.7 cm, from the North mine, Broken Hill District, New South Wales, Australia...cm, from Frunthorn, Lake Zervreile, Grishun, Switzerland. Kyle Kevorkian collection; Matt McGill photo...Currier (2009b) nicely expanded on this idea in a section called “Why we collect minerals” in his popular