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Stilbite subgroup from
Martin Marietta Quarry (Jamestown Quarry), Jamestown, Guilford Co., North Carolina, USA

Locality type:Quarry
Species:'Stilbite subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)6-7[Al8-9Si27-28O72] · nH2O
Validity:Believed Valid
References:Tschernich, R. (1992): Zeolites of the World, 116
Mineral Data:Click here to view Stilbite subgroup data
Locality Data:Click here to view Martin Marietta Quarry (Jamestown Quarry), Jamestown, Guilford Co., North Carolina, USA
Nearest other occurrences of Stilbite subgroup
0.5km (0.3 miles) Jamestown Quarry, Jamestown, Guilford Co., North Carolina, USA
11.3km (7.0 miles) Pomona Quarry, Pomona, Guilford Co., North Carolina, USA
25.4km (15.8 miles) Thomasville Quarry (Martin Marietta Quarry), Thomasville, Davidson Co., North Carolina, USA
31.2km (19.4 miles) Stokesdale Quarry (Vulcan-Stokesdale Quarry), Stokesdale, Guilford Co., North Carolina, USA
54.4km (33.8 miles) East Alamance Quarry, Haw River, Alamance Co., North Carolina, USA
64.8km (40.3 miles) Woodleaf Quarry, Woodleaf, Rowan Co., North Carolina, USA
Mineral and/or Locality  
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