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
Kamariza Dump, Kamariza mines (Kamareza mines), Agios Konstantinos (Kamariza), Lavreotiki, East Attica, Attica, Greece


Locality type:Mine Dump
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Kamariza Dump, Kamariza mines (Kamareza mines), Agios Konstantinos (Kamariza), Lavreotiki, East Attica, Attica, Greece
Data Identifiers
Mindat Occurrence Record ID:683021
Long-form Identifier:1:3:683021:2
GUID (UUID V4):0
Nearest other occurrences of Hollandite
0.7km (0.4 miles) ⓘSerpieri Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos (Kamariza), Lavreotiki, East Attica, Attica, Greece
1.1km (0.7 miles) ⓘEsperanza Mine, Kaminiza mines, Km 3, Lavreotiki, East Attica, Attica, Greece
1.3km (0.8 miles) ⓘKm 3 iron-manganese ore dump, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
1.5km (0.9 miles) ⓘKm 3 open pit, Km 3 mines, Km 3, Lavreotiki, East Attica, Attica, Greece
3.2km (2.0 miles) ⓘPlaka Mine No. 80, Plaka Mines, Plaka, Lavreotiki, East Attica, Attica, Greece
3.7km (2.3 miles) ⓘAdami Mine No. 2, Plaka Mines, Plaka, Lavreotiki, East Attica, Attica, Greece
55.8km (34.7 miles) ⓘVarnavas, Marathon, East Attica, Attica, Greece
71.7km (44.5 miles) ⓘVitali Mine, Andros, South Aegean, Greece
79.4km (49.3 miles) ⓘApikia, Vasiliko Mountain, Andros, South Aegean, Greece
79.8km (49.6 miles) ⓘPalos Hill, Gria Spilia, Syros, Syros-Ermoupoli, South Aegean, Greece
References
Rieck, Branko; Rieck, Petra (1999) Lavrion: Die komplette Mineralliste. Lapis, 24 (7-8). 61-63
Wendel, Wolfgang; Markl, Gregor (1999) Lavrion: Mineralogische Klassiker und Raritäten für Sammler [Lavrion: Mineralogical classics and rarities for collectors]. Lapis, 24 (7-8). 34-52; 90
 
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