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Quartz from
Madonna del Ponte Quarry, Castel di Casio, Bologna Province, Emilia-Romagna, Italy

Classification
Species:Quartz
Formula:SiO2
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
References
References:Bombicci, L. (1874) Descrizione della mineralogia generale della provincia di Bologna. Seconda parte. Memorie della R. Accademia delle Scienze dell'Istituto di Bologna, serie 3, 5, 105-222; De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.; Bargossi, G.M., Gamberini, F., Gasparotto, G., Grillini, G.C., Marocchi, G. (2004) Dimension and ornamental stones from the Tosco-Romagnolo and Bolognese Apennine. Periodico di Mineralogia, 73, Special Issue 3, 171-195.
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Madonna del Ponte Quarry, Castel di Casio, Bologna Province, Emilia-Romagna, Italy
Nearest other occurrences of Quartz
0.3km (0.2 miles) A Porettana Railway tunnels and cuts, Porretta quartz sites, Porretta Terme, Alto Reno Terme, Reno Valley, Bologna Province, Emilia-Romagna, Italy
0.4km (0.3 miles) B Della Costa Quarry, Porretta quartz sites, Porretta Terme, Alto Reno Terme, Reno Valley, Bologna Province, Emilia-Romagna, Italy
2.1km (1.3 miles) C Lizzo, Castel di Casio, Bologna Province, Emilia-Romagna, Italy
4.5km (2.8 miles) D Fosso di Corsicino, Gaggio Montano, Reno Valley, Bologna Province, Emilia-Romagna, Italy
5.6km (3.5 miles) E Ca' dei Ladri (Silla), Gaggio Montano, Reno Valley, Bologna Province, Emilia-Romagna, Italy
7.1km (4.4 miles) F Bombiana, Gaggio Montano, Reno Valley, Bologna Province, Emilia-Romagna, Italy
9.6km (6.0 miles) G Tramonte, Limentra valley, Bologna province, Emilia-Romagna, Italy
11.2km (6.9 miles) H Aneva creek, Pietracolora (Pietra Colora), Gaggio Montano, Reno Valley, Bologna Province, Emilia-Romagna, Italy
39.5km (24.5 miles) I Rio Stancalasse, Monterenzio, Sillaro Valley, Bologna Province, Emilia-Romagna, Italy
40.7km (25.3 miles) J Rio Poggioli, San Clemente, Monterenzio, Sillaro Valley, Bologna Province, Emilia-Romagna, Italy
40.8km (25.4 miles) K Rio delle Ossa, San Clemente, Monterenzio, Sillaro Valley, Bologna Province, Emilia-Romagna, Italy
51.7km (32.1 miles) L Cava del Ferro (Bùgie mines; Trimpello), Fornovolasco, Vergemoli, Apuan Alps, Lucca Province, Tuscany, Italy
53.5km (33.2 miles) M Piana del Sale, Ligonchio, Reggio Emilia Province (Reggio nell'Emilia Province), Emilia-Romagna, Italy
54.9km (34.1 miles) N Monte Serra (Cascetto-Costa Moriglione quartz veins system), Calci, Monti Pisani, Pisa Province, Tuscany, Italy
57.3km (35.6 miles) O Levigliani mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
57.6km (35.8 miles) P Buca della Vena Mine, Ponte Stazzemese, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
57.6km (35.8 miles) Q Eremo di San Viano, Vagli di Sotto, Apuan Alps, Lucca Province, Tuscany, Italy
57.9km (36.0 miles) R Castagnola, Vagli di Sotto, Apuan Alps, Lucca Province, Tuscany, Italy
58.8km (36.5 miles) S Arnetola Valley, Vagli di Sotto, Apuan Alps, Lucca Province, Tuscany, Italy
59.6km (37.0 miles) T Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
60.6km (37.7 miles) U Bottino Mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
61.5km (38.2 miles) V Pollone Mine, Valdicastello Carducci, Pietrasanta, Apuan Alps, Lucca Province, Tuscany, Italy
64.0km (39.8 miles) W Seravezza Quarries, Seravezza, Apuan Alps, Lucca Province, Tuscany, Italy
68.2km (42.4 miles) X Ravaccione quarry, Torano quarrying basin, Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy
77.2km (48.0 miles) Y Cetine di Camporbiano Mine (Le Cetine; Cetine di Volterra; Cetine di Gambassi), Podere Giuseppe, Gambassi Terme, Florence Province, Tuscany, Italy
83.6km (52.0 miles) Z Fosce creek, Orciatico, Lajatico, Pisa Province, Tuscany, Italy
89.6km (55.7 miles) 0 Antignano, Livorno, Livorno Province, Tuscany, Italy
91.2km (56.6 miles) 1 Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
93.3km (58.0 miles) 2 Speranza Stope, Corchia mine, Berceto, Parma Province, Emilia-Romagna, Italy
98.1km (61.0 miles) 3 Ligurian Sea to the SW of Portovenere Promontory, La Spezia Province, Liguria, Italy
98.5km (61.2 miles) 4 Monte Nero Mine, Rocchetta Vara, La Spezia Province, Liguria, Italy
99.5km (61.8 miles) 5 Case Montanini quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy
101.4km (63.0 miles) 6 Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
102.2km (63.5 miles) 7 Larderello, Pomarance, Pisa Province, Tuscany, Italy
102.6km (63.7 miles) 8 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy
113.2km (70.4 miles) 9 Bardi, Ceno Valley, Taro Valley, Parma Province, Emilia-Romagna, Italy
Mineral and/or Locality  
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