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Allanite Group from
Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA


03610770017339888382196.jpg
Allanite Group, etc.

Martin Marietta Quarry, Hickory, Catawba County, North Carolina, USA
03610770017339888382196.jpg
Allanite Group, etc.

Martin Marietta Quarry, Hickory, Catawba County, North Carolina, USA
03610770017339888382196.jpg
Allanite Group, etc.

Martin Marietta Quarry, Hickory, Catawba County, North Carolina, USA
Locality type:Quarry
Classification
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
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Ankerite1
Ilmenite1
Data
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
Mindat Occurrence Record ID:39892
Long-form Identifier:1:3:39892:3
GUID (UUID V4):0
Nearest other occurrences of Allanite Group
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
K. Wood collection
 
and/or  
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