| Locality type: | Mine |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Comments: | Hyalite is plentiful and fluoresces bright green Can have 3000 ppm uranium.( Applied Optics V.20 no.8 pg.1279-1296. |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Muscovite | ⓘ3 photos of Opal-AN associated with Muscovite at this locality. |
| Microcline | ⓘ2 photos of Opal-AN associated with Microcline at this locality. |
| Autunite | ⓘ1 photo of Opal-AN associated with Autunite at this locality. |
| Uranophane | ⓘ1 photo of Opal-AN associated with Uranophane at this locality. |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Chalk Mountain Mine, Spruce Pine, Mitchell County, North Carolina, USA |
| Photo Gallery | View Gallery (23 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 21429 |
| Long-form Identifier: | 1:3:21429:6 |
| GUID (UUID V4): | 4024949f-a4cc-47da-8770-44e1f80c797e |
| Nearest other occurrences of Opal-AN |
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| 3.7km (2.3 miles) | ⓘDeer Park No. 2 Mine, Penland, Mitchell County, North Carolina, USA |
| 3.7km (2.3 miles) | ⓘDeer Park Mine, Penland, Mitchell County, North Carolina, USA |
| 3.9km (2.4 miles) | ⓘSouthers Branch Mine (Sullins Branch Mine), Spruce Pine, Mitchell County, North Carolina, USA |
| 5.1km (3.2 miles) | ⓘPine Mountain (Pine Mountain Mine), Mitchell County, North Carolina, USA |
| 5.5km (3.4 miles) | ⓘCarolina Mineral Company No. 20 Mine (Old 20 Mine), Crabtree Creek, Yancey County, North Carolina, USA |
| 6.1km (3.8 miles) | ⓘMcKinney Mine (Power Mill Creek Mine), Spruce Pine, Mitchell County, North Carolina, USA |
| 6.1km (3.8 miles) | ⓘGrassy Creek Mine, Grassy Creek, Mitchell County, North Carolina, USA |
| 7.0km (4.3 miles) | ⓘGlenn Mine, Crabtree Creek, Mitchell County, North Carolina, USA |
| 7.6km (4.7 miles) | ⓘHollifield Mine, Little Switzerland, Mitchell County, North Carolina, USA |
| 7.9km (4.9 miles) | ⓘFanny Gouge Mine, Micaville, Celo, Yancey County, North Carolina, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | Contents 4 Map: Notable Opal Localities 50 BY BRUCE PAUL GABER 6 The Opal Enigma: Science, History...and Pins Afire: Play of Color in Opal BY MAX WEIBEL Sparkling Opal in Ancient Bones: Precious Relics...vibrant with opal pattern and color. In this extreme close-up of a Lightning Ridge black opal, the field...approximately 3 mm wide. Opal courtesy Jenni Brammall BY ALEX RITCHIE 52 An Opal Glossary of Terms BY...BY SI AND ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed Fire BY JURGEN SCHUTZ 18 Perfect |  | | Book (volume) | | NORTInHIwo AME A Volumes John Sinkankas _ GEMSTONES OF NORTH AMERICA In Two Volumes ® Volume I Gemstones, of...of all the mineral treasures to be found in North America, are perhaps the most fascinating—and the...worthy of the name. Some, like the emeralds of North Carolina, the colorful and fabulous tourmalines and...review of deposits, a helpful geographical index, and an exceptionally complete listing of books and arucles...above all, easily read and understood, GEMSTONES OF NORTH AMERICA, Volumes I and II, will be welcomed as a |  | | Catalog/List | | Saturday, June 7, 2008, by 5:00 PM CT Lots are sold at an approximate rate of 70 lots per hour, but it is not...inches, while the other is 34 x 20¾ x 7. They have an aggregate weight of 208.56 pounds (94.8 kgs.). Estimate:...top of a mound of rich purple Amethyst crystals is an unusual hollow tube of Amethyst that is 2 inches...excellent condition. A rare and fine specimen from an under-represented locality; it has a custom labeled...hue than any other localities. This fine example is an open amethyst cluster with “diamond bright” deep |  | | Book (edition) | | known to the Editors, and it by no means follows that an entry defined in " Gardner " without any indication... The claim will be submitted to the Editors, and an appropriate entry will then normally be made in future...chloride in an aerosol. A throat spray. (327). — Thiocarbanilide. A registered 1. trade mark for an accelerator...the manufacture of ebonite and rubber thread. It is an acetaldehydeaniline condensate, specific gravity...proprietary rubber accelerator for use with reclaim. It is an acetaldehyde-butyraldehyde-aniline condensate, specific |
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Chalk Mountain Mine, Spruce Pine, Mitchell County, North Carolina, USA