| Locality type: | Islet |
| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view Islets, Kupreanof Island, Petersburg Borough, Alaska, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 575009 |
| Long-form Identifier: | 1:3:575009:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Laumontite |
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| 0.0km (0.0 miles) | ⓘRocky Pass, Petersburg Borough, Alaska, USA |
| References |
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