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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Calcite from
Hummeln impact structure, Oskarshamn, Kalmar County, Sweden


Locality type:Impact Structure
Classification
Species:Calcite
Formula:CaCO3
Formation:Secondary
Comments:Matrix cementing breccia fragments, small voids are lined with calcite crystals.
Habit:rhombohedral, scalenohedral
Colour:pale yellow
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Monomict impact breccia1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Hummeln impact structure, Oskarshamn, Kalmar County, Sweden
Data Identifiers
Mindat Occurrence Record ID:1608553
Long-form Identifier:1:3:1608553:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
25.7km (15.9 miles) ⓘÄspö Hard Rock Laboratory (Äspö underground laboratory), Oskarshamn, Kalmar County, Sweden
26.6km (16.6 miles) ⓘAskaremåla, Oskarshamn, Kalmar County, Sweden
26.9km (16.7 miles) ⓘKråkemåla, Oskarshamn, Kalmar County, Sweden
47.4km (29.5 miles) ⓘFridhem mine, Ökna, Vetlanda, Jönköping County, Sweden
53.1km (33.0 miles) ⓘÖvlandehult quarry, Ökna, Vetlanda, Jönköping County, Sweden
56.0km (34.8 miles) ⓘÄdelfors, Alseda, Vetlanda, Jönköping County, Sweden
60.2km (37.4 miles) ⓘKleva mine, Alseda, Vetlanda, Jönköping County, Sweden
61.5km (38.2 miles) ⓘSunnerskog Mine, Alseda, Vetlanda, Jönköping County, Sweden
65.8km (40.9 miles) ⓘSkede mine, Ulvalid, Skede, Vetlanda, Jönköping County, Sweden
76.2km (47.4 miles) ⓘIngesberg mine, Bäckaby, Vetlanda, Jönköping County, Sweden
References
Moritz, Harold (n.d.) Personal Communication.Identified by Harold Moritz: Visual Identification
Holm-Alwmark, Sanna. (2021) Impact cratering record of Sweden - A review, in Reimold, W. U., and Koeberl, C., eds., Large Meteorite Impacts and Planetary Evolution VI: Geological Society of America Special Paper 550, p. 1-39, https://doi.org/10.1130/2021.2550(01)
 
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