| Locality type: | Hamlet |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6 (T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Piani di Verdabbio, Verdabbio, Grono, Moesa Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1608421 |
| Long-form Identifier: | 1:3:1608421:6 |
| GUID (UUID V4): | 391531a3-91f1-4b1a-9d38-1b2a0d82e399 |
| Nearest other occurrences of Tourmaline |
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| 4.8km (3.0 miles) | ⓘGneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland |
| 8.1km (5.0 miles) | ⓘMaiò Valley, Monticello, San Vittore, Moesa Region, Grisons, Switzerland |
| 21.0km (13.1 miles) | ⓘMalpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy |
| 21.1km (13.1 miles) | ⓘPizzi dei Piani (Piz di Pian), Madesimo, Sondrio Province, Lombardy, Italy |
| 22.2km (13.8 miles) | ⓘVamlera, Febbraro Valley, Madesimo, Sondrio Province, Lombardy, Italy |
| 24.1km (15.0 miles) | ⓘSommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy |
| 34.5km (21.4 miles) | ⓘCamperio, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 34.8km (21.6 miles) | ⓘSponda Alp - Pizzo Forno, Chironico Valley, Faido, Leventina, Ticino, Switzerland |
| 35.4km (22.0 miles) | ⓘCampra, Acquacalda, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 38.8km (24.1 miles) | ⓘBovarina Alp, Campo Valley, Campo Blenio, Camadra Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (issue) | | Frank took part in mining one of the greatest tourmaline discoveries in the history of Maine pegmatite...around to the thrill of opening the famous gem tourmaline pockets at the Dunton mine in Newry. He told...Louise Thompson showed him a ring with a faceted tourmaline that had recently been mined by Gary Freeman...well-known Stan Perham. Stan made his mark in a tourmaline find at the B.B. #7 mine in north Norway, Maine...Mount Mica for tourmaline, the Keith and Pulsifer quarries on Mt. Apatite for tourmaline and purple apatite |
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