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Discovery of the rare species Kentrolite in Peyrebrune, France

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Jordi Fabre
Overall coordinator of the forum

Joined: 07 Aug 2006
Posts: 1200
Location: Barcelona

Posted: Apr 20, 2009 07:36 Post subject: Discovery of the rare species Kentrolite in Peyrebrune, France

All our French members and readers will be happy to know that in November 2008, in the classic mine of Peyrebrune, well known by its Fluorites, a small pocket was found in the higher levels of the Rivet Quarry. This pocket produced a pinkish-reddish material accompanied by a black material.
After analysis we discovered that the pinkish-reddish material is Rhodochrosite, and still more interesting, the black material is Kentrolite, a rare silicate of manganese and lead, that as far as we know, never was found on this site.

I add some images of the find and from both species.

Jordi

Rhodocrosite & Kentrolite - 1.jpg

Description:

One of the nicer specimens of the find of Rhodochrosites and Kentrolites from Rivet Quarry, Peyrebrune, France.

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Rhodocrosite & Kentrolite - 2.jpg

Description:

A close up of one specimen showing well the Kentrolite.

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Rhodochrosite Peyrebrune.jpg

Description:

A specimen of Rhodochrosite with very few Kentrolite and minor white crystals of probably Calcite or Aragonite.

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Rhodochrosite & Kentrolite Peyrebrune.jpg

Description:

The find in situ, in the 1st level - 3° ribaine in the Rivet Quarry, Peyrebrune, Réalmont, Tarn
France.
The vug had 3-4 square meters.

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Rhodochrosite & Kentrolite Peyrebrune.jpg

Rhodochrosite & Kentrolite Peyrebrune in situ.jpg

Description:

The find in situ, in the 1st level - 3° ribaine in the Rivet Quarry, Peyrebrune, Réalmont, Tarn
France.
The vug had 3-4 square meters.

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Rhodochrosite & Kentrolite Peyrebrune in situ.jpg

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