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| Description | |
|---|---|
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Nordrum, Fred Steinar (1993): De siste års mineralfunn i Dalen- Kjørholt gruve. STEIN 20 (2), 100-111 |
| Data | |
| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view Dalen-Kjørholt Mine, Kjørholt, Brevik, Porsgrunn, Telemark, Norway |