Olmiite (Poldervaartite) (Ref: 8.AE-945)
N Chwaning II Mine, Kalahari Manganese Filed, Northern Cape Province, South Africa
29mm x 28mm x 8mm
minID: JC8-MY2
A cute thumbnail of what was once a very rare mineral. This find was very important and large, the mineral was no long incredibly rare and it was also realized most of these were actually more accurately identified as another rare mineral, Olmiite. The South African discovery was and is the world's best and for all practical purposes the only locality for good specimens. This piece has a nice 1.8 CM crystal with the faces showing complex modification so it looks stepped and rounded. In fine condition, the color seems to vary depending on the light source from a brownish to orange hue. The matrix is a thin plate with a druse of clear Calcite crystals. From: Well-Arranged Molecules
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See Also
Olmiite with Oyelite and Calcite
N'Chwaning II Mine, Kalahari Manganese Fields
, South Africa
$217 *
63mm x 42mm x 18mm
From: Taranis Minerals
Olmiite with Calcite on Goethite
"Derek Pocket", N'Chwaning II Mine, Kalahari Manganese Field,, South Africa
$253 *
50mm x 42mm x 33mm
From: Taranis Minerals
Olmiite with Bultfonteinite
N'Chwaning II Mine, Northern Cape, South Africa
$70
40mm x 20mm x 10mm
From: Weinrich Minerals
Olmiite with Bultfonteinite
N'Chwaning II Mine, Northern Cape, South Africa
$65
50mm x 30mm x 12mm
From: Weinrich Minerals
Olmiite
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa
$72 *
70mm x 63mm x 20mm
From: Taranis Minerals
Olmiite
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa
$60 *
43mm x 28mm x 35mm
From: Taranis Minerals
Olmiite
N'Chwaning II Mine, Northern Cape, South Africa
$50
35mm x 30mm x 10mm
From: Weinrich Minerals
Olmiite with Calcite
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa
$54 *
42mm x 33mm x 25mm
From: Taranis Minerals
Olmiite
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa
$54 *
53mm x 33mm x 18mm
From: Taranis Minerals
Olmiite
section 5 south stope 46-47 roof, N'Chwaning II mine, Kuruman, South Africa
$100
28mm x 18mm x 18mm
From: Weinrich Minerals
Olmiite on Calcite
N Chwanning II Mine, Kuruman, Republic of South Africa
$145
55mm x 38mm x 17mm
From: The Crystal Circle
Olmiite on matrix
N Chwanning II Mine, Kuruman, Republic of South Africa
$115
35mm x 28mm x 20mm
From: The Crystal Circle
Olmiite
N Chwanning II Mine, Kuruman, Republic of South Africa
$75
48mm x 43mm x 12mm
From: The Crystal Circle
