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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Ferrihydrite from
Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece


04305330017372299364405.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
02643410017272004236940.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
02002970017363807851475.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
02643410017272004236940.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
02002970017363807851475.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
09925710017372299367645.jpg
Ferrihydrite, etc.

Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
Locality type:Slag Locality
Classification
Species:Ferrihydrite
Formula:Fe103+O14(OH)2
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Feroxyhyte1
Goethite1
Slag1
Data
Mineral Data:Click here to view Ferrihydrite data
Locality Data:Click here to view Thorikos Bay slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:48253
Long-form Identifier:1:3:48253:2
GUID (UUID V4):0
Nearest other occurrences of Ferrihydrite
2.2km (1.4 miles) ⓘVrysaki Point slag locality, Velatouri, Lavreotiki, East Attica, Attica, Greece
6.7km (4.1 miles) ⓘPassa Limani Cove slag locality, Lavreotiki Municipal Unit, Lavreotiki, East Attica, Attica, Greece
9.6km (6.0 miles) ⓘSounion Cove slag locality, Sounion, Lavreotiki, East Attica, Attica, Greece
10.9km (6.8 miles) ⓘCharakas Cove slag locality, Charakas, Lavreotiki, East Attica, Attica, Greece
77.0km (47.8 miles) ⓘPalos Hill, Gria Spilia, Syros, Syros-Ermoupoli, South Aegean, Greece
References
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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