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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Hollandite from
Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece


03216910017370171818074.jpg
Hollandite

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
06651350017477277302037.jpg
Hollandite, etc.

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
01950010017362521644103.jpg
Hollandite

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
06651350017477277302037.jpg
Hollandite, etc.

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
03216910017370171818074.jpg
Hollandite

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
06651350017477277302037.jpg
Hollandite, etc.

Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
Locality type:Pit
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Dolomite1
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Km 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:60159
Long-form Identifier:1:3:60159:9
GUID (UUID V4):0
Nearest other occurrences of Hollandite
0.2km (0.1 miles) ⓘKm 3 iron-manganese ore dump, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
0.6km (0.4 miles) ⓘEsperanza Mine, Kaminiza mines, Km 3, Lavreotiki, East Attica, Attica, Greece
1.5km (0.9 miles) ⓘKamariza Dump, Kamariza mines (Kamareza mines), Agios Konstantinos (Kamariza), Lavreotiki, East Attica, Attica, Greece
1.9km (1.2 miles) ⓘSerpieri Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos (Kamariza), Lavreotiki, East Attica, Attica, Greece
3.9km (2.4 miles) ⓘPlaka Mine No. 80, Plaka Mines, Plaka, Lavreotiki, East Attica, Attica, Greece
4.5km (2.8 miles) ⓘAdami Mine No. 2, Plaka Mines, Plaka, Lavreotiki, East Attica, Attica, Greece
56.8km (35.3 miles) ⓘVarnavas, Marathon, East Attica, Attica, Greece
70.8km (44.0 miles) ⓘVitali Mine, Andros, South Aegean, Greece
78.3km (48.6 miles) ⓘApikia, Vasiliko Mountain, Andros, South Aegean, Greece
78.4km (48.7 miles) ⓘPalos Hill, Gria Spilia, Syros, Syros-Ermoupoli, South Aegean, Greece
References
Katerinopoulos, Athanassios, Zissimopoulou, Eftychia (1994) New Mineral Occurrences from the Laurium Mines, Greece. The Mineralogical Record, 25 (4) 279-280
 
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