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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Olivine nephelinite from
Vestbrona Formation, Kristiansund, Møre og Romsdal, Norway


Locality type:Formation
Classification
Type:Olivine nephelinite
Age information
Maximum recorded age:54.4 ± 0.9 Ma
Minimum recorded age:54.4 ± 0.9 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
154.4 ± 0.9 MaEocene - K-Ar
Sample references:
1 -
Bugge, T., Prestvik, T., & Rokoengen, K. (1980). Lower tertiary volcanic rocks off Kristiansund
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Olivine nephelinite data
Locality Data:Click here to view Vestbrona Formation, Kristiansund, Møre og Romsdal, Norway
Data Identifiers
Mindat Occurrence Record ID:1389340
Long-form Identifier:1:3:1389340:0
GUID (UUID V4):0
References
Bugge, T., Prestvik, T., & Rokoengen, K. (1980). Lower tertiary volcanic rocks off Kristiansund—mid Norway. Marine Geology, 35(4), 277-286.
Prestvik, T., Torske, T., Sundvoll, B., & Karlsson, H. (1999). Petrology of early Tertiary nephelinites off mid-Norway. Additional evidence for an enriched endmember of the ancestral Iceland plume. Lithos, 46(2), 317-330.
 
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