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Thaumasite
Thaumasite Thaumasite Thaumasite
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Thaumasite (Ref: C683)

N'Chwanning Mine, Kuruman, South Africa
34mm x 30mm x 13mm
minID: QK4-PJ6
$1500
Thaumasite is a rare mineral in the Ettringite group, the best were found at the N'Chwanning. This is a rare matrix specimen - you used to be able to
find small single crystals but now even those are hard to find. Matrix specimens were always uncommon, and I have only ever had one before, a similar
piece to this one that I paid a similar price to Katherine Woest about 15 years ago. Crystals are a transparent yellow and reach 5mm in diameter. White
tufts of Xonotlite are dispersed between the Thaumasite crystals.
Data last checked on 14th Jul 2025 - specimen may no longer be available

From: Marin Minerals
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See Also

Thaumasite
N'Chwaning I Mine, Kalahari manganese field, Northern Cape, South Africa
$1160
10mm
From: The Arkenstone
Thaumasite (Huge Crystal)
N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
$2500
20mm x 10mm x 10mm
From: The Arkenstone
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$350
28mm x 25mm x 10mm
From: Marin Minerals
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$300
23mm x 17mm x 10mm
From: Marin Minerals
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$300
11mm x 6mm x 5mm
From: Marin Minerals
Olmiite
N'Chwanning Mine, Kuruman, South Africa
$1500
50mm x 30mm x 20mm
From: Marin Minerals
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$250
10mm x 5mm x 5mm
From: Marin Minerals
Sugilite (fibrous)
N'Chwanning Mine, Kuruman, South Africa
$1500
32mm x 27mm x 15mm
From: Marin Minerals
Thaumasite
N'Chwanning Mine, Kuruman, South Africa
$120
9mm x 4mm x 3mm
From: Marin Minerals
Gaudefroyite
N'Chwanning Mine, Kuruman, South Africa
$1250
45mm x 35mm x 15mm
From: Marin Minerals
Hausmannite
N'Chwanning Mine, Kuruman, South Africa
$1250
38mm x 35mm x 20mm
From: Marin Minerals
Olmiite
N'Chwanning Mine, Kuruman, South Africa
$1250
50mm x 40mm x 35mm
From: Marin Minerals
Olmiite
N'Chwaning 2 Mine, Kalahari, South Africa
$1500
60mm x 30mm x 30mm
From: The Arkenstone
Ephesite
Gloucester Mine | Postmasburg Manganese Field | Northern Cape | South Africa
$1604 *
59mm x 58mm x 31mm
From: Wendel Minerals
Goethite ps. Kutnohorite
Wessels Mine, Kalahari Manganese Field, Northern Cape, South Africa
$1500
120mm x 80mm x 70mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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