Massa Gorge pressure duct, Massa Gorge, Bitsch, Brig, Wallis (Valais), Switzerland
Massaschlucht-Druckschacht, Massaschlucht, Bitsch, Brig, Wallis (Valais), Schweiz (Suisse; Svizzera)
A high pressure duct, feeding the hydroelectric power plant run by the Electra Massa company. In 1965, during its construction, a cleft with huge rock crystals was discovered. The largest specimens were destroyed due to the use of explosives. Those that could be saved did still reach lengths of up to one meter, though. The slender crystals often included byssolite, halite, calcite and various fluids.
- Stalder, H. A., de Quervain, F., Niggli, E., Graeser, S. (1973): Die Mineralfunde der Schweiz, p. 123-124
- Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel)
| 'Amphibole Group|
| 'Chlorite Group'|
| 'K Feldspar|
var: Rock Crystal
9 entries listed. 3 valid minerals.
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Locality Updated: Boiling Well Mine (Wheal Boil), Gwithian, St Erth - Gwithian Area, Cornwall, England, UKFrom Peter Haas, 29th Aug 2014 00:50:37