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Olmiite with Calcite

Olmiite with Calcite

N'Chwaning II Mine, upper levels, Kuruman, Kalahari, South Africa

34mm x 23mm x 38mm
A novelty of Tucson 2009. Unusual groups of crystals of irregular contour, more or less oval-shaped. They are pink, and more intense on the terminations. They are on very acute scalenohedrons of Calcite and on matrix. They have come from a single geode. At first we believed they could be Poldervaartite due to the presence of the accompanying Calcite and the pinkish color of the crystals, but the analysis confirms that they are Olmiite (the manganoan end of the series) and not Poldervaartite (the calcian end). We’ll send a copy of the analysis to the buyer of the sample.The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 29 in number 2009/2.
From: Fabre Minerals
Ref: TM96N2
Sorry. This specimen has been sold. Please view alternatives below.

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See Also:

Olmiite with Calcite
N'Chwaning II Mine, upper levels, Kuruman, Kalahari, South Africa
$228 *
55mm x 44mm x 34mm
Olmiite with Calcite and Oyelite
N'Chwaning II Mine, level 45 south, Kuruman, Kalahari, South Africa
$296 *
46mm x 38mm x 25mm
Calcite
N'Chwaning II Mine, upper levels, Kuruman, Kalahari, South Africa
$309 *
65mm x 60mm x 49mm
Olmiite on Calcite
N Chwanning II Mine, Kuruman, Republic of South Africa
$195
55mm x 38mm x 17mm
Olmiite
N'Chwaning II Mine, section 5 south, stope 46-47 roof, Kuruman, Kalahari, South Africa
$242 *
50mm x 35mm x 20mm
Bultfonteinite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$188 *
97mm x 37mm x 34mm
Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$323 *
72mm x 51mm x 50mm
Bultfonteinite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$161 *
41mm x 26mm x 25mm
Bultfonteinite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$161 *
47mm x 34mm x 27mm
Calcite with Hematite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$349 *
63mm x 63mm x 38mm
Olmiite
N'Chwaning II Mine, section 5 south, stope 46-47 roof, Kuruman, Kalahari, South Africa
$148 *
25mm x 20mm x 14mm
Olmiite
N'Chwaning II Mine, section 5 south, stope 46-47 roof, Kuruman, Kalahari, South Africa
$363 *
49mm x 44mm x 25mm
Oyelite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$148 *
47mm x 27mm x 23mm
Bultfonteinite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$128 *
44mm x 34mm x 37mm
Bultfonteinite with Hydroxyapophyllite-(K) and Calcite
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
$128 *
42mm x 37mm x 21mm
* price is an approximate conversion and may not be accurate.

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