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Spinel : MgAl2O4, Phlogopite : KMg3[(OH,F)2|AlSi3O10] | |
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Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, Afghanistan Single crystal of bright red spinel (variety Ruby) on white marble matrix with minor phlogopite. Fluoresces red under UV illumination. Overall size of mineral specimen: 33x32x16 mm. Size of individual crystals: 13 mm. |
| © 2001 John H. Betts | Photo ID: 2070 View Count: 1738 |
Spinel : MgAl2O4 | |
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Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, Afghanistan Bright, pink-red spinel crystal in white marble matrix. The crystal is well exposed and is complete except for a small area in one corner. Fluoresces orange under UV illumination. Overall size of mineral specimen: 4x3x2 cm. Size of individual crystals: 25 mm. |
| © 2002 John H. Betts | Photo ID: 4724 View Count: 904 |
Spinel : MgAl2O4 | |
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Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, Afghanistan Translucent red spinel crystals up to 10 mm in marble matrix. Though crudely crystallized, one crystal on the top is well exposed and has clean, lustrous faces. Overall size of mineral specimen: 3x2x1.5 cm. Size of individual crystals: 5-10 mm. |
| © 2001 John H. Betts | Photo ID: 3269 View Count: 661 |
Spinel : MgAl2O4 | |
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Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, Afghanistan Red ruby Spinel crystal of 7x9 mm. Photo & Collection Chinellato Matteo |
| © Chinellato Matteo | Photo ID: 76649 View Count: 256 |
Spinel : MgAl2O4 | |
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Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, Afghanistan Red ruby Spinel crystal of 7x9 mm in SW UV light. Photo & Collection Chinellato Matteo |
| © Chinellato Matteo | Photo ID: 80558 View Count: 253 |
Spinel : MgAl2O4 | |
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Marmorny Nunatak, Dygalski Mts, Queen Maud Land (Dronning Maud Land), Eastern Antarctica, Antarctica 2mm black Spinel crystal from Marmorny Nunatak. Brought back by the GeoMaud 95/96 expedition. |
| © Maurice de Graaf | Photo ID: 14711 View Count: 476 |
Spinel : MgAl2O4 | |
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Alluvial gold mine, Carapooee, Victoria, Australia Black spinels hand-sorted from heavy mineral concentrates. These are some of the smaller spinels from Carapooee. Some appear brightly polished, pitted and quite black. Others are duller, slightly brownish and with no pitting. Some of the smallest crystals are obviously octahedral. Field of view: 12mm. |
| © Judy Rowe | Photo ID: 225000 View Count: 64 |
Spinel : MgAl2O4 | |
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Alluvial gold mine, Carapooee, Victoria, Australia Black spinels hand-sorted from heavy mineral concentrates. These are some of the larger grains and show abrasion and considerable pitting. Field of view: 12mm. |
| © Judy Rowe | Photo ID: 224996 View Count: 46 |
Spinel : MgAl2O4 | |
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Moorabool River Valley, Morrisons, Victoria, Australia Black spinels from alluvial gravels of the Moorabool River. The crystals show some abrasion and etching. Field of view: 5.5mm. |
| © Judy Rowe | Photo ID: 203139 View Count: 90 |
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Loja, Persenbeug, Waldviertel, Lower Austria, Austria Octahedron with 2,1mm in marble; Chris Auer photo and collection, self collected in 2006 |
| Photo ID: 136622 View Count: 208 | |
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