| Locality type: | Quarry |
| Classification |
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| Species: | Epidote |
| Formula: | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Epidote data |
| Locality Data: | Click here to view Kalkovnen, Østhagan Nature Reserve, Grua mining district, Grua, Lunner, Viken, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 507729 |
| Long-form Identifier: | 1:3:507729:8 |
| GUID (UUID V4): | dc7111b2-2207-4871-8b18-eef9c60ffb93 |
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| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | minerals it confirms the general impression that Norway is particularly poor in tin: the highest percentages...minerals. It is well known that tin has been found in Norway only in rare cases and in quite small quantities...doubtful cassiterite and the certainly also doubtful epidote, are pegmatite minerals, mostly rare. The only...tin-mineral, the nordenskioldine, is extremely rare in Norway 1• 1 Larger quantities of nordenskioldine have...complete account of the distribution of tin in Norway. The spectrograms were all made with a quarz spectrograph |
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Kalkovnen, Østhagan Nature Reserve, Grua mining district, Grua, Lunner, Viken, Norway