| Locality type: | Quarry |
| Classification |
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| Species: | 'Allanite Group' (not an IMA approved species) |
| Formula: | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| Comments: | Euhedral to highly corroded crystals occur in ankerite veins. Large crystals to 30cm encountered once in a large muscovite-class pegmatite on a new part of bench 2 in 2000. ID questionable due to poor XRD pattern. Possibly partly metamict. |
| Habit: | Slender prisms,much like epidote crystals. Aspect ratio usually about 8:1 |
| Colour: | very dark brown to black |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | XRD |
| Associated Minerals Based on Photo Data: |
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| Ankerite | ⓘ1 photo of Allanite Group associated with Ankerite at this locality. |
| Ilmenite | ⓘ1 photo of Allanite Group associated with Ilmenite at this locality. |
| Data |
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| Mineral Data: | Click here to view Allanite Group 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: | 39892 |
| Long-form Identifier: | 1:3:39892:3 |
| GUID (UUID V4): | d6c2ddaa-75a1-415d-8c61-ce4e4dee986c |
| Nearest other occurrences of Allanite Group |
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| 46.3km (28.8 miles) | ⓘJ.C. Mills Mine (Mill's Mine; Mills's Mine), Brindletown, Burke County, North Carolina, USA |
| 47.0km (29.2 miles) | ⓘ115 Quarry, Oakwoods, Wilkes County, North Carolina, USA |
| 49.6km (30.8 miles) | ⓘFitches Knob Quarry site, Wilkes County, North Carolina, USA |
| 68.9km (42.8 miles) | ⓘTom Carpenter Mine (Old Hennessey Mine), Avery County, North Carolina, USA |
| 70.6km (43.9 miles) | ⓘJohnson Mine, Avery County, North Carolina, USA |
| 70.8km (44.0 miles) | ⓘSlippery Elm Mine, Avery County, North Carolina, USA |
| 71.8km (44.6 miles) | ⓘDeake Mine, Deake, Mitchell County, North Carolina, USA |
| 71.8km (44.6 miles) | ⓘPink Mine, Mitchell County, North Carolina, USA |
| 72.6km (45.1 miles) | ⓘAbernathy Mine, Spruce Pine, Mitchell County, North Carolina, USA |
| 73.4km (45.6 miles) | ⓘDoublehead Mine (Brown workings; Cantrell workings), Avery County, North Carolina, USA |
| References |
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Martin Marietta Quarry, Hickory, Catawba County, North Carolina, USA