Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Goethite from
Malacalzetta Mine, Iglesias, South Sardinia Province, Sardinia, Italy


07839430017368076281106.jpg
Goethite

Malacalzetta Mine, Iglesias, South Sardinia Province, Sardinia, Italy
07839430017368076281106.jpg
Goethite

Malacalzetta Mine, Iglesias, South Sardinia Province, Sardinia, Italy
06106680017272008309122.jpg
Goethite

Malacalzetta Mine, Iglesias, South Sardinia Province, Sardinia, Italy
Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Malacalzetta Mine, Iglesias, South Sardinia Province, Sardinia, Italy
Data Identifiers
Mindat Occurrence Record ID:427303
Long-form Identifier:1:3:427303:5
GUID (UUID V4):0
Nearest other occurrences of Goethite
1.4km (0.9 miles) ⓘBaueddu Mine, Fluminimaggiore, South Sardinia Province, Sardinia, Italy
2.5km (1.6 miles) ⓘSan Benedetto Mine, Iglesias, South Sardinia Province, Sardinia, Italy
3.1km (1.9 miles) ⓘReigraxius Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
3.6km (2.2 miles) ⓘSa Duchessa Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
3.8km (2.4 miles) ⓘPinn'e Perda Stope, Tiny-Arenas Mine, Fluminimaggiore, South Sardinia Province, Sardinia, Italy
4.1km (2.5 miles) ⓘPerdu Carta Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
4.4km (2.7 miles) ⓘPerda Niedda Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
4.8km (3.0 miles) ⓘBarraxiutta Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
5.6km (3.5 miles) ⓘMonte Guisi Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
5.8km (3.6 miles) ⓘSu Corovau Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
References
Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente - Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
 
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