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Manganilvaite : Ca(Mn2+,Fe2+)2Fe3+[O|OH|Si2O7], Quartz : SiO2, Galena : PbS, Sphalerite : (Zn,Fe2+)S, Johannsenite : CaMn2+[Si2O6] | |
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Mogilata deposit, Septemvri mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria 6x4x4 cm Mined 2006 Manganilvaite in association with small amount quartz, galena, and sphalerite situated at the marble and johannsenite boundary. Anton Ivanov collection and photo |
| © Anton Ivanov | Photo ID: 211603 View Count: 63 |
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Daye Co., Huangshi Prefecture, Hubei Province, China Spheroidal groups very rich of small, black, very bright crystals on a clearer matrix with Calcite and small crystals of Pyrite. Daye mining area, Hubei, China Found in 2002 Specimen size: 5 x 4.5 x 4 cm |
| © fabreminerals.com | Photo ID: 71274 View Count: 230 |
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Daye Co., Huangshi Prefecture, Hubei Province, China Spheroidal groups, very rich of small, black, very bright crystals in oriented growth on a matrix of very sharp, tabular crystals of Fluorapophyllite. Daye mining area, Hubei, China Found in 2002 Specimen size: 10 x 6.2 x 4.5 cm |
| © fabreminerals.com | Photo ID: 71282 View Count: 178 |
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Daye Co., Huangshi Prefecture, Hubei Province, China Spheroidal groups, very rich of small, black, very bright crystals on a growth of Quartz crystals on a bed of Calcite crystals and small crystals of Pyrite. Daye mining area, Hubei, China Found in 2002 Specimen size: 6 x 5.6 x 3.7 cm |
| © fabreminerals.com | Photo ID: 71276 View Count: 168 |
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Daye Co., Huangshi Prefecture, Hubei Province, China Spheroidal groups, very rich of small, black, very bright crystals partially covering a group of prismatic crystals of Quartz. Daye mining area, Hubei, China Found in 2002 Specimen size: 9.2 x 6.8 x 6.5 cm |
| © fabreminerals.com | Photo ID: 71280 View Count: 165 |
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Daye Co., Huangshi Prefecture, Hubei Province, China The specimen is more esthetic than usual for the species. It has a base of Quartz crystals with white rhombohedral crystals of Calcite and a coverage of Fluorapophyllite and black prismatic crystals of Manganilvaite, small but very well defined. Daye mining area, Hubei, China. Found in 2002 Specimen size: 9.2 x 8.5 x 6.5 cm Main ... |
| © fabreminerals.com | Photo ID: 88850 View Count: 161 |
Manganilvaite : Ca(Mn2+,Fe2+)2Fe3+[O|OH|Si2O7], Apophyllite, Hubeite : Ca2Mn2+Fe3+[HSi4O13] · 2H2O | |
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Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China Black clusters of manganilvaite xls and brown crusts of hubeite included apophyllite, covering a quartz and dolomite matrix. Hubeite type locality. Specimen size 10.5x8x7.5cm. |
| © rare-X.com | Photo ID: 116095 View Count: 130 |
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Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China Black Prismatic Manganilvaite Crystals On Calcite And Quartz. Size: 5.3 x 4.9 x 4.2 cm |
| © Jiangbin | Photo ID: 213636 View Count: 57 |
Manganilvaite : Ca(Mn2+,Fe2+)2Fe3+[O|OH|Si2O7] | |
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Dessau Mine, Konnerudkollen (Grubeåsen) Mines, Konnerud, Drammen, Buskerud, Norway Manganilvaite crystal about 1,5 mm long. Colour is to bluish due to use of blue filter on light source, not to get a too yellow image. Collected and in collection of photographer. |
| © Peter Andresen | Photo ID: 157823 View Count: 149 |
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