| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Amethyst |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Witherite | ⓘ4 photos of Amethyst associated with Witherite at this locality. |
| Quartz | ⓘ4 photos of Amethyst associated with Quartz at this locality. |
| Data |
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| Mineral Data: | Click here to view Amethyst data |
| Locality Data: | Click here to view Porcupine Mine (Creswel; Twin City; Twin Cities Mine), Gillies Township, Thunder Bay District, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 109662 |
| Long-form Identifier: | 1:3:109662:0 |
| GUID (UUID V4): | ff8c791a-f2bb-4031-ad29-2fe9782b7d45 |
| Nearest other occurrences of Amethyst |
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| 0.3km (0.2 miles) | ⓘSilver Creek Mine, Gillies Township, Thunder Bay District, Ontario, Canada |
| 0.5km (0.3 miles) | ⓘBadger Mine, Gillies Township, Thunder Bay District, Ontario, Canada |
| 0.6km (0.4 miles) | ⓘClimax Mine (Keystone), O'Connor Township, Thunder Bay District, Ontario, Canada |
| 0.9km (0.5 miles) | ⓘWest Beaver Mine, O'Connor Township, Thunder Bay District, Ontario, Canada |
| 1.3km (0.8 miles) | ⓘLittle Pig vein, O'Connor Township, Thunder Bay District, Ontario, Canada |
| 2.2km (1.4 miles) | ⓘBeaver Mine (McQuaig), O'Connor Township, Thunder Bay District, Ontario, Canada |
| 2.6km (1.6 miles) | ⓘBeaver Jr. mine, O'Connor Township, Thunder Bay District, Ontario, Canada |
| 4.2km (2.6 miles) | ⓘRabbit Mountain Mine (Great Lakes Silver mine), Scoble Township, Thunder Bay District, Ontario, Canada |
| 4.6km (2.9 miles) | ⓘRabbit Mountain area, Scoble Township, Thunder Bay District, Ontario, Canada |
| 5.4km (3.4 miles) | ⓘRothwell Mine, Paipoonge Township, Thunder Bay District, Ontario, Canada |
| References |
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