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Nigerian tourmalines
Greg Polley
Specimen | Catalog Number | Locality | Weight |
---|---|---|---|
Elbaite | NMNH G10292 | Nigeria | 6.90 ct |
Elbaite | NMNH G10293 | Nigeria | 6.92 ct |
Elbaite | NMNH G10294 | Nigeria | 7.62 ct |
Elbaite | NMNH G10295 | Nigeria | 7.86 ct |
Elbaite | NMNH G10296 | Nigeria | 8.18 ct |
Elbaite | NMNH G10297 | Nigeria | 8.25 ct |
Elbaite | NMNH G10298 | Nigeria | 8.80 ct |
Elbaite | NMNH G10299 | Nigeria | 9.58 ct |
Elbaite | NMNH G10300 | Nigeria | 9.68 ct |
Elbaite | NMNH G10301 | Nigeria | 10.84 ct |
Elbaite | NMNH G10302 | Nigeria | 11.66 ct |
Elbaite | NMNH G10303 | Nigeria | 15.38 ct |
Elbaite | NMNH G10304 | Nigeria | 18.36 ct |
Elbaite | NMNH G10250 | Nigeria | 1.17 ct |
Elbaite | NMNH G10251 | Nigeria | 1.19 ct |
Elbaite | NMNH G10252 | Nigeria | 1.30 ct |
Elbaite | NMNH G10253 | Nigeria | 1.32 ct |
Elbaite | NMNH G10254 | Nigeria | 1.54 ct |
Elbaite | NMNH G10255 | Nigeria | 1.77 ct |
Elbaite | NMNH G10256 | Nigeria | 1.77 ct |
Elbaite | NMNH G10257 | Nigeria | 1.83 ct |
Elbaite | NMNH G10258 | Nigeria | 2.42 ct |
Elbaite | NMNH G10259 | Nigeria | 2.42 ct |
Elbaite | NMNH G10260 | Nigeria | 2.45 ct |
Elbaite | NMNH G10261 | Nigeria | 2.58 ct |
Elbaite | NMNH G10262 | Nigeria | 2.88 ct |
Elbaite | NMNH G10263 | Nigeria | 2.89 ct |
Elbaite | NMNH G10264 | Nigeria | 2.91 ct |
Elbaite | NMNH G10265 | Nigeria | 2.92 ct |
Elbaite | NMNH G10266 | Nigeria | 2.97 ct |
Elbaite | NMNH G10267 | Nigeria | 3.08 ct |
Elbaite | NMNH G10268 | Nigeria | 3.15 ct |
Elbaite | NMNH G10269 | Nigeria | 3.17 ct |
Elbaite | NMNH G10270 | Nigeria | 3.53 ct |
Elbaite | NMNH G10271 | Nigeria | 3.61 ct |
Elbaite | NMNH G10272 | Nigeria | 3.74 ct |
Elbaite | NMNH G10273 | Nigeria | 3.92 ct |
Elbaite | NMNH G10274 | Nigeria | 3.92 ct |
Elbaite | NMNH G10275 | Nigeria | 4.12 ct |
Elbaite | NMNH G10276 | Nigeria | 4.48 ct |
Elbaite | NMNH G10277 | Nigeria | 4.48 ct |
Elbaite | NMNH G10278 | Nigeria | 4.79 ct |
Elbaite | NMNH G10279 | Nigeria | 4.89 ct |
Elbaite | NMNH G10280 | Nigeria | 4.92 ct |
Elbaite | NMNH G10281 | Nigeria | 5.25 ct |
Elbaite | NMNH G10282 | Nigeria | 5.33 ct |
Elbaite | NMNH G10283 | Nigeria | 5.43 ct |
Elbaite | NMNH G10284 | Nigeria | 5.51 ct |
Elbaite | NMNH G10285 | Nigeria | 5.86 ct |
Elbaite | NMNH G10286 | Nigeria | 5.91 ct |
Elbaite | NMNH G10287 | Nigeria | 6.16 ct |
Elbaite | NMNH G10288 | Nigeria | 6.20 ct |
Elbaite | NMNH G10289 | Nigeria | 6.58 ct |
Elbaite | NMNH G10290 | Nigeria | 6.65 ct |
Elbaite | NMNH G10291 | Nigeria | 6.87 ct |
The tourmaline family consists of at least 14 distinct minerals, but only one, elbaite, accounts for nearly all of the tourmaline gemstones. Tourmaline gems form in a wide range of colors. Although best known in shades of green and red, elbaite can also be blue, purple, yellow, or colorless. Tourmaline can also show several colors in a single crystal, making it possible to cut unique multicolored gems. A suite of 55 tourmaline gemstones, a group pictured here, exhibit a wide range of colors. These tourmaline gems spectacularly demonstrate the range of colors produced from a single mining region in Nigeria and greatly enhance the National Gem Collection.