Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Calcite from
Chocianów IG-3 borehole, Chocianów, Gmina Chocianów, Polkowice County, Lower Silesian Voivodeship, Poland


Locality type:Borehole
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Chocianów IG-3 borehole, Chocianów, Gmina Chocianów, Polkowice County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1515952
Long-form Identifier:1:3:1515952:2
GUID (UUID V4):0
Nearest other occurrences of Calcite
15.6km (9.7 miles) ⓘPG shafts - Polkowice Główne (Polkowice-Sieroszowice mine), Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
18.3km (11.4 miles) ⓘRZ shaft (Rudna mine), Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
20.0km (12.4 miles) ⓘSW-1'Jan Wyżykowski' shaft, Bądzów, Gmina Jerzmanowa, Głogów County, Lower Silesian Voivodeship, Poland
20.3km (12.6 miles) ⓘLubin Główny shafts, Lubin, Lubin County, Lower Silesian Voivodeship, Poland
22.1km (13.7 miles) ⓘLW 'Bolesław' shaft (Lubin mine), Lubin, Lubin County, Lower Silesian Voivodeship, Poland
23.8km (14.8 miles) ⓘKonrad Cu-mine, Iwiny, Gmina Warta Bolesławiecka, Bolesławiec County, Lower Silesian Voivodeship, Poland
27.0km (16.8 miles) ⓘGG-1 shaft (Głogów Głęboki-Przemysłowy mine), Kwielice, Gmina Grębocice, Polkowice County, Lower Silesian Voivodeship, Poland
29.6km (18.4 miles) ⓘWojcieszyn melaphyre quarry, Wojcieszyn, Gmina Pielgrzymka, Złotoryja County, Lower Silesian Voivodeship, Poland
31.1km (19.3 miles) ⓘPosadów quarry, Złotoryja, Złotoryja County, Lower Silesian Voivodeship, Poland
34.1km (21.2 miles) ⓘPielgrzymka basalt quarry, Pielgrzymka, Gmina Pielgrzymka, Złotoryja County, Lower Silesian Voivodeship, Poland
References
Idzikowski, , Jerzmański, J. (1974) Pierwiastki śladowe w utworach syluru Bloku Przedsudeckiego. Biuletyn IG: 279(XXIII) (25 pp.)
Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne.
 
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