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Gaudefroyite
Gaudefroyite Gaudefroyite
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Gaudefroyite (Ref: AF558)

N'Chwanning Mine, Kuruman, South Africa
45mm x 35mm x 15mm
minID: QDN-6Y8
$1250
Rare specimen of Gaudefroyite from the Kalahari manganese fields of South Africa.  Back when these were being found, they were most commonly seen as thinner, crusy crystals on matrix.  To find such thick Gaudefroyite crystals such as these on Manganite matrix were always rare, and even more so now. The crystals reach 13 x 7mm in size. Rare piece.
Data last checked on 22nd Feb 2025 - specimen may no longer be available

From: Marin Minerals
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See Also

Gaudefroyite
Wessels Mine, Kalahari MN Fields, N. Cape Prov., S. Africa
$1250
50mm x 30mm x 30mm
From: The Arkenstone
Gaudefroyite
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa
$2250
20mm x 20mm x 10mm
From: The Arkenstone
Hausmannite
N'Chwanning Mine, Kuruman, South Africa
$1250
38mm x 35mm x 20mm
From: Marin Minerals
Hausmanite
N'Chwanning II Mine, Kuruman, South Africa
$1200
90mm x 55mm x 30mm
From: Marin Minerals
Jouravskite
N'Chwaning III Mine, Kuruman, Kalahari MN field, Northern Cape Province, South Africa
$1250
20mm x 10mm x 10mm
From: The Arkenstone
Sturmanite
N'Chwaning Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
$1250
40mm x 40mm x 30mm
From: The Arkenstone
Olmiite With Bultfonteinite
N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
$1250
50mm x 40mm x 30mm
From: The Arkenstone
Olmiite
N'Chwaning II Mine, Kuruman, KMF, Northern Cape, South Africa
$1250
70mm x 50mm x 40mm
From: The Arkenstone
Olmiite
N'Chwaning II Mine, Kuruman, KMF, Northern Cape, South Africa
$1250
70mm x 60mm x 20mm
From: The Arkenstone
Gaudefroyite
Wessels Mine, Cape Prov., South Africa
$100
9mm x 7mm x 5mm
From: Marin Minerals
Ettringite Ex Dr. Gerd Tremmel coll.
N´Chwaning II Mine | Kuruman | Kalahari Manganese Fields | South Africa
$1283 *
63mm x 40mm x 25mm
From: Wendel Minerals
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$1500
34mm x 30mm x 13mm
From: Marin Minerals
Olmiite
N'Chwanning Mine, Kuruman, South Africa
$1500
50mm x 30mm x 20mm
From: Marin Minerals
Olmiite
N'Chwaning II Mine, Kalahari, South Africa
$1250
40mm x 30mm x 20mm
From: The Arkenstone
Inesite
N'Chwaning mines, Kuruman, South Africa
$1100
60mm x 40mm x 20mm
From: Weinrich Minerals
* price is an approximate conversion and may not be accurate.

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