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Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland Black short prismatic Neptunite crystals on Quartz, field of view 40 mm. |
| © Riksmuseet Stockholm | Photo ID: 180227 View Count: 219 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24], Quartz : SiO2, Microcline : K[AlSi3O8] | |
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Dorozhnyi pegmatite, Khan Bogdo (Khan-Bogdinskii) massif, Gobi Desert, Mongolia Bluish neptunite crystals in darker quartz and grei microcline. Thin section under polarised light, crossed nicols. Size 15*10mm, 2005. |
| © Jindrich Kynicky | Photo ID: 116532 View Count: 172 |
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Pegmatite No. 45, Lepkhe-Nel'm Mt. (Lepkhe-Nelm Mt.), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 10x8x8 mm double terminated natrolite crystal with dark-brown neptunite ctystals. The pegmatite #45 is the single occurrence of usual neptunite both in Lovozero and Khibina massifs, where mangan-neptunite is wide spread. Selfcollected in July of 1994. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 129854 View Count: 230 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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San Benito Co., California, USA Double-terminated crystal of 10 mm Photo & Collection:Foschi-Tagliabue |
| © Tagliabue-Foschi | Photo ID: 21531 View Count: 386 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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San Benito Co., California, USA Large, stark black neptunite crystal on matrix! 4.8 x 4.2 x 3.1 cm |
| © Rob Lavinsky | Photo ID: 32099 View Count: 333 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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San Benito Co., California, USA SHARP, wonderful neptunite with an exceptional termination, about 2 cm tall and 8 mm wide. This is an exceptional piece, and rare quality for a thumber! 2.8 x 2.3 x 1.7 cm |
| © Rob Lavinsky | Photo ID: 41682 View Count: 316 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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San Benito Co., California, USA A very interesting, very aesthetic, cluster of curved bladed crystals with rough terminations on both ends. The blades have a deep cinnamon-brown color and excellent luster. This is not your average Neptunite, by any means. A very fine and unusual specimen. 3.6 x 1.2 x 1 cm |
| © Rob Lavinsky | Photo ID: 48322 View Count: 288 |
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San Benito Co., California, USA An elegant specimen, even if the large neptunites are broken on the edges. Specimen is 4.7 cm high. An additional photo with an alternate background and lighting arrangement has been uploaded. Collection and photo, T. Peterson. |
| © Tony Peterson | Photo ID: 76505 View Count: 256 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24] | |
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San Benito Co., California, USA Benitoite. Vasco Trancoso collection and photo. Size: 5,5 X 5 X 4cm with crystals up to 2cm. |
| © vasco trancoso | Photo ID: 202653 View Count: 91 |
Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24], Benitoite : BaTi[Si3O9] | |
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New Idria District, Diablo Range, San Benito Co., California, USA A 9mm neptunite with a smaller crystal and 4 benitoites. Photographed by Karl Volkman. In the collection of Donald Volkman. |
| © Don Volkman 03/06 | Photo ID: 53107 View Count: 313 |
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