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Km-3 Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece
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A small ancient mine working a Ni deposit west of the town of Lavrion, situated close to the "Km 3" milepost on the road from the town of Lavrion to the village of Agios Konstantinos (formerly Kamareza), around 2.5 km from each.

One of the most famous localities within the Lavrion district, known for the world's best annabergite specimens, with bright green crystals reaching 1 cm. Most well-crystallized specimens are the Mg-rich variety termed "cabrerite" (obsolete name), showing bright apple-green color.
Specimens can still be found in the dumps.

This locality actually consists of several individual places where different minerals can be found. A planned future revision will separate these into distinctive localities.
The literature mentions also unnamed adits "in the vicinity of km-3" (e.g. Hanke, 1998), in one of which gordaite was found.

Notes on the mineral list: Glaukosphaerite has been described by Schnorrer & Breitenbach (1996). However, specimens of "glaukosphaerite" from this locality which have been fully analysed have turned out to be rosasite. It is therefore in doubt whether most of the glaukosphaerite in collections actually are correctly identified.

Mineral List

Adamite
var: Nickeloan Adamite
Anglesite
Ankerite
Annabergite
var: Magnesian Annabergite
Aragonite
Arsenopyrite
Arthurite
Austinite
Azurite
Baryte
Brochantite
Calcite
Cerussite
Chalcophanite
Chalcopyrite
Clinoatacamite
Conichalcite
Coronadite
Cryptomelane
Dolomite
Duftite
Ferrilotharmeyerite
Fluorite
Galena
Gaspéite
Germanite
Gersdorffite
Glaukosphaerite ?
Goethite
Groutite
Gypsum
var: Selenite

Heinrichite
Hematite
Hetaerolite
Hollandite
Johannite
Keyite
'Limonite'
Magnesite
Malachite
Marcasite
Millerite
Mimetite
Népouite
Nickelaustinite
Nickeline
Nickellotharmeyerite
Nickeltsumcorite (TL)
Pecoraite
Plattnerite
'Psilomelane'
Pyrite
Pyrolusite
Quartz
Rammelsbergite
Rosasite
var: Nickeloan Rosasite
Safflorite
Siderite
Smithsonite
Sulphur
'Vernadite'
Wallkilldellite-(Mn)
Willemseite
Xanthiosite
Zdenĕkite
Zincolivenite


69 entries listed. 61 valid minerals. 1 type locality (valid mineral). 2 erroneous literature entries.

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References

- Schnorrer, G. & Breitenbach, H. (1996): Lavrion: Neufunde aus dem antiken Bergbau und in historischen Schlacken. Lapis, 21 (1), 45-48; 62.
- Hanke, H. (1998): Laurion - ein Rückblick auf die Funde der letzten drei Jahre. Mineralien-Welt, 9 (2), 37-45.

External Links


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