Bultfonteinite Gallery

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Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O, Poldervaartite : CaCa[SiO₃OH](OH)
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa Bultfonteinite needle-bundles on creme coloured prisms of Poldervaartite,1 mm field width, Photo: W. Stoll
	Photo ID: 78727 View Count: 458
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa Sharp acicular crystals of this rare species, showing a pleasing and unusual pink color. They also have exceptionally high lustre. This is on eof the richest specimens of this style that I have seen amongst many South African collections over the years 7.6 x 6.5 x 3.9 cm
© Rob Lavinsky	Photo ID: 122283 View Count: 121
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa Picture width is 40mm. A rare form of pink Bultfonteinite crystals from an old find. Very showy !
© Elmar Lackner	Photo ID: 141320 View Count: 120
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa A very showy example of the more rare form of Bultfonteinite - mostly you see the acicular crystals or rounded balls of powdery crystals. This looks like crystallized willemite from Tsumeb, and is quite solid and different. And beautiful! 4.0 x 2.5 x 1.4 cm
© Rob Lavinsky	Photo ID: 120659 View Count: 107
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa Sharp acicular crystals of this rare species in aggregates to 8mm across, showing a pleasing and unusual pink color. They also have exceptionally high lustre. 10.1 x 7.0 x 2.8 cm
© Rob Lavinsky	Photo ID: 122281 View Count: 101
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa 5.8 x 5.4 x 2.3 cm. Lovely series of radial balls generously spread over the specimen. The individual needles range up to about 3 mm in length, and the luster is superb. The color ranges from silver to a pinkish-tan. Very delicate and aesthetic. Excellent for the rare species, in this habit.
© Rob Lavinsky	Photo ID: 117498 View Count: 94
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa 7.2 x 3.8 x 2.2 cm. A lovely series of radial balls, on matrix, of this very rare species. The largest ball is complete and .8 cm across, with the individual needles ranging up to about 3-4 mm in length. The luster is superb, with the color ranging from silver to a pinkish-tan. Very delicate and aesthetic. Excellent for the rare species, in this ...
© Rob Lavinsky	Photo ID: 244367 View Count: 21
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa 7.8 x 6 x 6 cm. A rare species, here it is in sharp acicular crystals in sprays up to .7 cm, showing a pleasing and unusual pink color and excellent luster. Ex. Charlie Key Collection.
© Rob Lavinsky	Photo ID: 229862 View Count: 18
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O
	Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa 5.5 x 4.1 x 1 cm. A lovely series of radial aggregates completely covering the upper surface of the matrix. The individual needles range up to about 3 mm in length, and the luster is superb. The color ranges from silver to a pinkish-tan. Very delicate and aesthetic. Excellent for the rare species, in this habit. Ex. Charlie Key stock.
© Rob Lavinsky	Photo ID: 240527 View Count: 10
Bultfonteinite : Ca₂[F\|HSiO₄] · H₂O, Poldervaartite : CaCa[SiO₃OH](OH)
	N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Rich Bultfonteinite (white needles)/Poldervaartite (cubic tan xls) paragenesis specimen. Overall matrix size is 4,5 x 2,7 x 2,7 cm. Bultfonteinite needles are up to 4 mm and poldervaartite xls reach 3 mm across.
© Marek Patus	Photo ID: 150262 View Count: 604