| Locality type: | Quarry |
| Classification |
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| Species: | Schorl |
| Formula: | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Comments: | Prismatic crystals to 6cm in ankerite veins. Also, radiating sprays to 15cm of slender needles have been found in sugary chlorite in ankerite veins. |
| Habit: | Trigonal prisms with pyramidal termination. |
| Colour: | Black |
| Luminescent properties: | none |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Analysis Reference: | K. Wood |
| Associated Minerals Based on Photo Data: |
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| Plagioclase | ⓘ1 photo of Schorl associated with Plagioclase at this locality. |
| Data |
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| Mineral Data: | Click here to view Schorl data |
| Locality Data: | Click here to view Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 39908 |
| Long-form Identifier: | 1:3:39908:3 |
| GUID (UUID V4): | 5282a8f1-3c8d-4f49-bbd3-8c1b4867994e |
| Nearest other occurrences of Schorl |
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| 22.6km (14.0 miles) | ⓘDagenhart Mine, Alexander County, North Carolina, USA |
| 26.9km (16.7 miles) | ⓘBuffalo Vein Mine (Sharpes Emerald prospect; Squirrel Nut Mine), Hiddenite, Alexander County, North Carolina, USA |
| 28.1km (17.4 miles) | ⓘHiddenite, Alexander County, North Carolina, USA |
| 28.4km (17.6 miles) | ⓘEllis Mine, Alexander County, North Carolina, USA |
| 30.1km (18.7 miles) | ⓘNorth American Emerald Mine, Hiddenite, Alexander County, North Carolina, USA |
| 32.3km (20.1 miles) | ⓘMorganton Quarry (Vulcan Materials Co. Quarry), Morganton, Burke County, North Carolina, USA |
| 42.2km (26.2 miles) | ⓘLCA Mine, Gaston County, North Carolina, USA |
| 46.3km (28.8 miles) | ⓘJ.C. Mills Mine (Mill's Mine; Mills's Mine), Brindletown, Burke County, North Carolina, USA |
| 56.5km (35.1 miles) | ⓘFoote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA |
| 73.5km (45.7 miles) | ⓘMcHone Mine pegmatite, Mitchell County, North Carolina, USA |
| References |
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Martin Marietta Quarry, Hickory, Catawba County, North Carolina, USA