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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Actinolite from
Øynaheia (Ongeltjern; "Herefoss"), Øyna, Froland, Agder, Norway


Locality type:Outcrop
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Titanite1
Fluorapatite1
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Øynaheia (Ongeltjern; "Herefoss"), Øyna, Froland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:686200
Long-form Identifier:1:3:686200:8
GUID (UUID V4):0
Nearest other occurrences of Actinolite
1.8km (1.1 miles) ⓘTiksletjenn prospect, Øyna, Froland, Agder, Norway
3.2km (2.0 miles) ⓘØynaheiveien roadcuts, Mjåvatn, Froland, Agder, Norway
12.2km (7.6 miles) ⓘKleivene, Froland, Agder, Norway
14.9km (9.2 miles) ⓘJomås, Froland, Agder, Norway
26.4km (16.4 miles) ⓘSelåsvann, Vegårshei, Agder, Norway
43.6km (27.1 miles) ⓘMoland Industrial Site, Akland, Risør, Agder, Norway
47.4km (29.4 miles) ⓘRavneberget Quarry, Søndeled, Risør, Agder, Norway
66.7km (41.5 miles) ⓘRinde, Sannidal, Kragerø, Telemark, Norway
70.5km (43.8 miles) ⓘValberg Quarry, Valberg, Kragerø, Telemark, Norway
76.1km (47.3 miles) ⓘHeftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
References
Nordrum, Fred Steinar, Larsen, Alf Olav, Erambert, Muriel (2010) Apatitt fra noen norske mineralforekomster [Apatites from some Norwegian localities]. Norsk Bergverksmuseum Skrift, 43. 65-70
Garmo, Torgeir T.; Selbekk, Rune S. (2017) Norsk mineralbok [Norwegian mineral book]. Fossheim Steinsenter A/S. 351pp.p.255
 
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