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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Penfieldite from
Vrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece


06044430017372369301205.jpg
Penfieldite

Vrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
06044430017372369301205.jpg
Penfieldite

Vrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
07782530017372369305642.jpg
Penfieldite

Vrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
Locality type:Slag Locality
Classification
Species:Penfieldite
Formula:Pb2Cl3(OH)
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Unnamed (Orthorhombic dimorph of Barstowite)1
Data
Mineral Data:Click here to view Penfieldite data
Locality Data:Click here to view Vrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
Data Identifiers
Mindat Occurrence Record ID:48151
Long-form Identifier:1:3:48151:5
GUID (UUID V4):0
Nearest other occurrences of Penfieldite
2.2km (1.4 miles) ⓘThorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
8.1km (5.0 miles) ⓘPassa Limani Cove slag locality, Lavreotiki Municipal Unit, Lavreotiki, East Attica, Attica, Greece
10.2km (6.4 miles) ⓘSounion Mine No. 19, Cato Sounio mines, Sounion, Lavreotiki, East Attica, Attica, Greece
11.3km (7.0 miles) ⓘSounion Cove slag locality, Sounion, Lavreotiki, East Attica, Attica, Greece
13.0km (8.1 miles) ⓘCharakas Cove slag locality, Charakas, Lavreotiki, East Attica, Attica, Greece
13.1km (8.2 miles) ⓘLegrena Cove slag locality (Legraina Cove), Charakas, Lavreotiki, East Attica, Attica, Greece
References
Lacroix, Alfred, De Schulten, August Benjamin (1908) Note sur les minéraux plombifères des scories athéniennes du Laurion. Bulletin de Minéralogie, 31 (2). 79-90 doi:10.3406/bulmi.1908.3288
Gelaude, Piet, van Kalmthout, Piet, Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags. Piet Gelaude, Piet van Kalmthout , Christian Rewitzer.
 
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