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Tantalite-(Mn) : MnTa2O6, Albite : Na[AlSi3O8] | |
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Konar (Kunar; Konarh; Konarha; Nuristan) Province, Afghanistan 2.4 x 1.8 x 1.6 cm. This is a superb and beautiful, competition-level, tabular manganotantalite crystal nestled in bladed albite. This pristine beauty is from the Allan Young Thumbnail Collection, who has won the prestigious Desautels Award for Best Rocks, with thumbnails such as this. |
| © Rob Lavinsky | Photo ID: 171799 View Count: 139 |
Tantalite-(Mn) : MnTa2O6, Quartz : SiO2, Albite : Na[AlSi3O8] | |
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Mawi pegmatite, Laghman (Lagman; Nuristan) Province, Afghanistan MANGANOTANTALITE with Quartz and Cleavelandite, Mawi, Laghman Province, Afghanistan. A well formed tabular, black crystal, 2.7 cm long, perched in front of two large pale smokey quartz crystals and next to a bed of cleavelandite. Minor amounts of muscovite and beryl are present in the matrix. 12x10x7 cm overall. |
| © 2002, Jesse Fisher | Photo ID: 6833 View Count: 638 |
Tantalite-(Mn) : MnTa2O6 | |
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Mawi pegmatite, Laghman (Lagman; Nuristan) Province, Afghanistan 1.8 x 1.4 cm. A superb, doubly-terminated, transparent, deep garnet-red xl. Because of the brittleness of the mineral it is seldom found in this undamaged state. |
| © H. Obodda | Photo ID: 185599 View Count: 129 |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan 48 x 38 x 40 mm. Crystal-Odyssey specimen. The surfaces have a sheen of reddish tones that are quite astonishing. www.freilichminerals.com. The collection of Stephan Eglinton ( Australia) |
| © Joseph A. Freilich | Photo ID: 109822 View Count: 264 |
Tantalite-(Mn) : MnTa2O6 | |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan A good sized Manganotantalite crystal. This crystal has a very good form, despite the contacted portion on the left. This is common for Tantalite as they almost always are found along the walls of the pockets. specimen size = 3.5 x 3.8 x 1.2 cm. |
| © Russell G. Rizzo | Photo ID: 99487 View Count: 154 |
Tantalite-(Mn) : MnTa2O6, Albite (Var: Cleavelandite) : Na[AlSi3O8] | |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan Portion of a pegmatite pocket with platy crystals of cleavlandite variety of albite up to 2 cm. Most importantly, there are two manganotantalite crystals (4 and 8 mm) on the cleavlandite. The manganotantalite crystals are lustrous black, with good form. Overall size of mineral specimen: 8x6x4 cm. Size of individual crystals: 4-30 mm. |
| © 2002 John H. Betts | Photo ID: 4544 View Count: 518 |
Tantalite-(Mn) : MnTa2O6 | |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan A big, chunky, Tantalite crystal. The crystal is contacted on the back & on the bottom, which is typical of this species as they are almost always found embedded in the pocket walls. specimen size = 6.8 x 4 x 7.4 cm. |
| © Russell G. Rizzo | Photo ID: 100096 View Count: 236 |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan 6.7 x 4.7 x 4.5 cm. A DRAMATIC Pech, Afghanistan combination specimen. A sharp, lustrous, 1.7 cm, steel-gray manganotantalite crystal is nestled and partially hidden at the base of an aesthetic, vertical cluster of pearlescent, sharply hexagonal, tan muscovite books jauntily perched atop a feldspar matrix. This is a highly representative ... |
| © Rob Lavinsky | Photo ID: 162974 View Count: 121 |
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Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan 7.1 x 5.7 x 4.7 cm. This interesting piece is something that is seldom seen from here, a beautiful red manganotantalite crystal. This doubly-terminated tantalite is perched diagonally on a doubly-terminated quartz crystal, the whole cluster a floater with no attachments or damage. The lustre of the tantalite, which is 3 cm diagonal or 2 cm on edge ... |
| © Rob Lavinsky | Photo ID: 221343 View Count: 51 |
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Nuristan Province (Nurestan; Nooristan), Afghanistan Small but very well defined crystal of Tantalite-(Mn) with an excellent termination. The matrix is a group of big very well defined crystals of Lepidolite that have good pink color. Pech, Nooristan, Afghanistan. Found in 1998 Specimen size: 7.3 × 6.3 × 5.2 cm Main crystal size: 0.4 × 0.3 cm |
| © fabreminerals.com | Photo ID: 219724 View Count: 56 |
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