Locality type: | Road Cutting |
Classification |
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Species: | Helvine |
Formula: | Be3Mn42+(SiO4)3S |
Comments: | in cavities lined with analcime |
Habit: | tetrahedra up to 5 mm |
Colour: | medium brown |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Bertrandite | ⓘ1 photo of Helvine associated with Bertrandite at this locality. |
Analcime | ⓘ1 photo of Helvine associated with Analcime at this locality. |
Data |
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Mineral Data: | Click here to view Helvine data |
Locality Data: | Click here to view Rønningen E 18 roadcuts, Porsgrunn, Telemark, Norway |
Data Identifiers |
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Mindat Occurrence Record ID: | 171087 |
Long-form Identifier: | 1:3:171087:8 |
GUID (UUID V4): | a0b8176d-1ed1-4590-8e19-2e0678edbe93 |
Nearest other occurrences of Helvine |
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1.0km (0.6 miles) | ⓘE18 roadcuts, Slevolden, Porsgrunn, Telemark, Norway |
2.3km (1.4 miles) | ⓘKjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway |
2.9km (1.8 miles) | ⓘKokkersvold, Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway |
4.0km (2.5 miles) | ⓘChiavennite dike, Blåfjell (E18 roadcuts), Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway |
5.4km (3.4 miles) | ⓘRamsåskollen, Skien, Telemark, Norway |
6.7km (4.2 miles) | ⓘBuer, Bjørkedalen, Porsgrunn, Telemark, Norway |
8.3km (5.1 miles) | ⓘEikevegåsen Quarry, Bassebu, Porsgrunn, Telemark, Norway |
8.9km (5.5 miles) | ⓘFerry Quay, Bjørkøya, Porsgrunn, Telemark, Norway |
9.3km (5.8 miles) | ⓘSagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway |
9.4km (5.8 miles) | ⓘSaga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway |
References |
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Rønningen E 18 roadcuts, Porsgrunn, Telemark, Norway