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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Heulandite-Ca from
Berdalsbandet Pegmatites, Hurrungane, Berdalen, Luster, Vestland, Norway


Locality type:Pegmatite Field
Classification
Species:Heulandite-Ca
Formula:(Ca,Na)5(Si27Al9)O72 · 26H2O
Comments:Analysis showed that the main part of the crystal analyzed consisted of strontian heulandite-Ca and a smaller part was calcian heulandite-Sr (Nordrum et al. (2005)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite-Ca data
Locality Data:Click here to view Berdalsbandet Pegmatites, Hurrungane, Berdalen, Luster, Vestland, Norway
Data Identifiers
Mindat Occurrence Record ID:682377
Long-form Identifier:1:3:682377:1
GUID (UUID V4):0
Nearest other occurrences of Heulandite-Ca
63.9km (39.7 miles) ⓘTrono-odden, Lom, Innlandet, Norway
73.0km (45.3 miles) ⓘSandvasslia, Øystre Slidre, Innlandet, Norway
References
Nordrum, Fred Steinar, Larsen, Alf Olav, Erambert, Muriel (2005) Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30. 98-112
 
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