| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
Magnetite : Fe2+Fe3+2O4 | |
|
Marki Khel (South of Jalalabad), Nangarhar (Ningarhar) Province, Afghanistan Sharp lustrous octahedral crystals of magnetite to 19 mm in size are set nicely upon a 3.7 x 2.4 x 2.2 cm crystalline andradite and chamosite matrix. |
| © Dan Weinrich | Photo ID: 116716 View Count: 168 |
| |
|
Marki Khel (South of Jalalabad), Nangarhar (Ningarhar) Province, Afghanistan FOV=1.8 cm. Magnetite octahedra, with repetitive spinel twinning, on a matrix of green-brown andradite with epidote of nearly the same color, and some books of chamosite. Collection and photo, T. Peterson. |
| © Tony Peterson | Photo ID: 227331 View Count: 116 |
Magnetite : Fe2+Fe3+2O4 | |
|
Speen Ghar, Nangarhar (Ningarhar) Province, Afghanistan 2.1 x 1.8 x 1.3 cm. A fabulous specimen of magnetite for a thumbnail collector, with super-sharp crystals (to 0.8 cm) with epitaxial elevations on their faces that make them wonderfully aesthetic. From the Al Young collection (he won the Desautels trophy a few years ago for his thumbnails). |
| © Rob Lavinsky | Photo ID: 170591 View Count: 382 |
Magnetite : Fe2+Fe3+2O4 | |
|
Morros do Amboim, Gabela, Cuanza Sul Province (Kwanza Sul Province), Angola Massive sample with 4x2,5x2cm - October of 1974 |
| © Martins da Pedra | Photo ID: 103564 View Count: 510 |
Magnetite : Fe2+Fe3+2O4 | |
|
Laguna Las Encadenadas, Buenos Aires, Argentina Grain size: 0.15 mm |
| Photo ID: 131263 View Count: 355 | |
| |
|
Payún volcano, Altiplano de Payún Matru, Mendoza, Argentina On the specimen coexist two generations of crystals of Hematite. The first one has arborescent growths of octahedral crystals that are pseudomorphs after Magnetite (the variety Martite). On those octahedrons is formed a second generation of very bright laminar crystals of Hematite. Aside from its mineralogical interest, the specimen is notably ... |
| © fabreminerals.com | Photo ID: 130948 View Count: 501 |
Magnetite : Fe2+Fe3+2O4 | |
|
Payún volcano, Altiplano de Payún Matru, Mendoza, Argentina A small cluster of well defined magnetites pseudomorphing to hematite. 5cm x 4.5cm x 2cm. Adrienne McElwain Photo. |
| © Rockpick Legend Co. | Photo ID: 246400 View Count: 30 |
Magnetite : Fe2+Fe3+2O4 | |
|
Carolina, Coronel Pringles Department, San Luis, Argentina 1 or 2 mm Magnetite crystals found in the sands of "Amarillo" river, near Carolina. |
| © Marcelo O Olsina | Photo ID: 15001 View Count: 954 |
Magnetite : Fe2+Fe3+2O4 | |
|
Mud Tank, Harts Ranges (Hartz Ranges), Northern Territory, Australia A complete 3.0 by 2.6 cms crystal. JS specimen and photograph. |
| © JSS | Photo ID: 102914 View Count: 409 |
Magnetite : Fe2+Fe3+2O4 | |
|
Biggenden Mine (Mount Biggenden Mine; Biggenden Gold And Bismuth Mine; Mount Biggenden Bismuth Mine; Mount Biggenden Magnetite Mine; Biggenden Quarry), Biggenden Shire, Queensland, Australia Magnetite crystals, size 9x6 cm. Gerard van der Veldt collection and photo. |
| © G. van der Veldt | Photo ID: 119144 View Count: 388 |
| Page 1 of 56 (1 to 10 of 554 total) | Next Page | |
| Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | ||
