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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Muscovite from
Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Age information
Maximum recorded age:64.2 ± 2.6 Ma
Minimum recorded age:64.2 ± 2.6 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
164.2 ± 2.6 MaPaleocene - K-Ar
Sample references:
1 -
Shibata K, Ishihara S (1974): K-Ar ages of the major tungsten and molybdenum deposits in Japan. Economic Geology 69(8) 1207-1214.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:691256
Long-form Identifier:1:3:691256:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.7km (1.1 miles) ⓘHirukawa, Nakatsugawa City, Gifu Prefecture, Japan
4.8km (3.0 miles) ⓘTawara (Tahara), Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan
67.5km (41.9 miles) ⓘMiyazaki-cho, Okazaki City, Aichi Prefecture, Japan
72.4km (45.0 miles) ⓘShibukawa, Shizuoka Prefecture, Japan
81.9km (50.9 miles) ⓘNakatatsu mine, Ono City, Fukui Prefecture, Japan
98.5km (61.2 miles) ⓘMozumi deposit, Kamioka Mine, Hida City, Gifu Prefecture, Japan
99.4km (61.8 miles) ⓘAbe river alluvials (Abekawa), Warabino, Aoi Ward, Shizuoka City, Shizuoka Prefecture, Japan
References
William T. Holser: Beryllium minerals in the Victorio Mountains, Luna County, New Mexico. AM 38, 519 ff.
 
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