Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Tengerite-(Y) from
Hundholmen, Narvik, Nordland, Norway


Locality type:Quarry
Classification
Species:Tengerite-(Y)
Formula:Y2(CO3)3 · 2-3H2O
Formation:Secondary
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Thorite1
Coffinite1
Fergusonite-(Y)1
Uraninite1
Data
Mineral Data:Click here to view Tengerite-(Y) data
Locality Data:Click here to view Hundholmen, Narvik, Nordland, Norway
Data Identifiers
Mindat Occurrence Record ID:239660
Long-form Identifier:1:3:239660:6
GUID (UUID V4):0
Nearest other occurrences of Tengerite-(Y)
12.3km (7.7 miles) ⓘStetind pegmatite, Narvik, Nordland, Norway
15.7km (9.7 miles) ⓘErlinggruva, Drag, Hamarøy, Nordland, Norway
28.6km (17.7 miles) ⓘLagmannsvik, Hamarøy, Nordland, Norway
44.4km (27.6 miles) ⓘKråkmo, Hamarøy, Nordland, Norway
45.0km (27.9 miles) ⓘTennvatn pegmatite, Sørfold, Nordland, Norway
References
Vogt, Thorolf (1922) Über Thalenit von Hundholmen, in Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde (Y-reihe und Ce-reihe). Videnskapsselskapet i Kristiania Skrifter - I Matematisk-naturvidenskabelig klasse, 1922 (1). 18-47pp.19-47
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Husdal, Tomas (2023) Nyfunn av mineraler fra Tysfjordpegmatittene IV [New finds of minerals from the Tysfjord pegmatites IV]. Norsk Mineralsymposium 2023, 11-21
 
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