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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Fayalite-Forsterite Series from
Arapahoe meteorite, Cheyenne County, Colorado, USA


Locality type:Meteorite Fall Location
Classification
Species:'Fayalite-Forsterite Series' (not an IMA approved species)
Comments:Olivine composition (Fa23)— Mason,1963. Pervasive brecciation noted by Lambert et al.,1981
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fayalite-Forsterite Series data
Locality Data:Click here to view Arapahoe meteorite, Cheyenne County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1105382
Long-form Identifier:1:3:1105382:2
GUID (UUID V4):0
Nearest other occurrences of Fayalite-Forsterite Series
49.2km (30.6 miles) ⓘRush Creek meteorite, Kiowa County, Colorado, USA
53.2km (33.1 miles) ⓘLadder Creek meteorite, Greeley County, Kansas, USA
61.8km (38.4 miles) ⓘHorace meteorite, Greeley County, Kansas, USA
76.5km (47.6 miles) ⓘGoodland meteorite, Sherman County, Kansas, USA
References
Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0
Dodd, R.T. & Jarosewich, E. (1979) Incipient melting in and shock classification of L-Group chondrites: Earth and Planetary Science Letters 44(2): 335-340. (Aug 1979).
Lambert, P., Lewis, C. & Moore, C.B. (1981) Comparative Shock Metamorphism Study in 12 Chondrites (Abstract.): Lunar & Planetary Science XII: 583-585.
Graham, A. L., Bevan, A. W. R., Hutchison, R. (1985) Catalogue of Meteorites - With Special Reference to those Represented in the Collection of the British Museum (Natural History) (4th ed.) British Museum (Natural History), London.
 
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