Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

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Andradite : Ca₃Fe³⁺₂[SiO₄]₃, Manganite : Mn³⁺O(OH)
	N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Image is 4mm wide.
© 2003 D. Schläfli	Photo ID: 14199 View Count: 556
Andradite : Ca₃Fe³⁺₂[SiO₄]₃, Hematite : Fe₂O₃
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa This specimen is just so beautiful and uncommon - sparkly maroon crystals of andradite on euhedral crystals of hematite. Even if you collect N''Chwaning stuff, I doubt you have one of these. 3.2 x 3 x 2.8 cm
© Rob Lavinsky	Photo ID: 23827 View Count: 477
Andradite : Ca₃Fe³⁺₂[SiO₄]₃, Bementite : Mn₅Si₄O₁₀(OH)₆
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Rhombododecahedral andradite garnets with variously intense color, and white bementite (according to the label) present as aggregates of microscopic hexagonal platelets. Image is 5 mm wide. Acquired in 2007. Photo & collection: D. Schläfli keywords: hires
© 2007 D. Schläfli	Photo ID: 132904 View Count: 177
Andradite : Ca₃Fe³⁺₂[SiO₄]₃, Celestine : SrSO₄
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Dark red Andradite Garnets cover 3 sides of the matrix, crystals are translucent. The side edge looks damaged this is fans/sprays of Celestine. Measures 6cm x 5cm x 3.5cm Dealer: Margarete Burke, collection of Debbie Woolf
© Debbie Woolf	Photo ID: 170839 View Count: 121
Andradite : Ca₃Fe³⁺₂[SiO₄]₃
	N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Andradite crystals with Gaudefroyite mass ( black ) Field of view 10 mm Photo and Collection Patrice Queneau
© P.Queneau	Photo ID: 162336 View Count: 93
Apophyllite-(KOH) : KCa₄[(OH,F)\|Si₈O₂₀] · 8H₂O
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Hydroxyapophyllite from N'chwaning II Mine, Kuruman, Kalahari The N'Chwaning Mine is famous for its fine Rhodos but it also produces curious Hydroxyapophyllites which are totally different from the Indian ones or any others for that matter. This esthetic group perched on its matrix displays very well due the extremely aerial position of the ...
© fabreminerals.com	Photo ID: 55628 View Count: 283
Apophyllite-(KOH) : KCa₄[(OH,F)\|Si₈O₂₀] · 8H₂O
	N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Both crystals measure 1 cm on the edge.
© J. Witkowski	Photo ID: 98532 View Count: 175
Apophyllite-(KOH) : KCa₄[(OH,F)\|Si₈O₂₀] · 8H₂O
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa The N'Chwaning Mine is famous for its world-class Rhodochrosite crystals. What most people don't know is that it also produces the somewhat rare mineral Hydroxyapophyllite. This specimen features crystals measuring to 1 cm. in size. The crystals on this specimen exhibit an almost pearly lustre. specimen size = 7 x 3 x 3.4 cm.
© Russell G. Rizzo	Photo ID: 114312 View Count: 102
Apophyllite-(KOH) : KCa₄[(OH,F)\|Si₈O₂₀] · 8H₂O
	Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa 4 x 4cm. High stepped faces of Hydroxyapophyllite, pale red. Very rare.
	Photo ID: 237138 View Count: 38
Apophyllite-(KOH) : KCa₄[(OH,F)\|Si₈O₂₀] · 8H₂O, Calcite : CaCO₃
	N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa A beautiful group of lustrous apophyllite crystals on drusy calcite. Individual crystals are 10mm x 6mm to 7 mm. Overall size of the specimen is 67mm x 35mm x 42mm. Paul Nicholson collection and photo.
© Paul Nicholson	Photo ID: 244878 View Count: 28