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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Goldmanite from
Vinstra River skarn locality, Vinstradalen, Oppdal, Trøndelag, Norway


Locality type:Outcrop
Classification
Species:Goldmanite
Formula:Ca3V23+(SiO4)3
Comments:Witsø (1994) reported the occurrence of goldmanite from a garnet locality in Vinstradalen, based on XRD identification. Subsequent microprobe analyses, however, showed that this was a misidentification: the material contained no vanadium and was instead an iron‑rich andradite (pers. comm. Tor Witsø, 2001), cfr Larsen (2026)
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Goldmanite data
Locality Data:Click here to view Vinstra River skarn locality, Vinstradalen, Oppdal, Trøndelag, Norway
Data Identifiers
Mindat Occurrence Record ID:672166
Long-form Identifier:1:3:672166:4
GUID (UUID V4):0
References
Witsø, Tor (1994) Oppdal. Et spennende geologisk område. Fridtjov Witsø, Oppdal. p.1-24.
Larsen, Knut Edvard (2026) Granatgruppen i Norge - et overblikk [The Garnet Group in Norway - an overview]. STEIN. Magasin for populærgeologi, 53 (1). 10-14
 
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