Locality type: | Pegmatite |
Classification |
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Species: | 'Microlite Group' (not an IMA approved species) |
Formula: | A2-mTa2X6-wZ-n |
Comments: | Found as small brown crystals to 3 mm or as irregular masses. |
Abundance at site: | Rare |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Microlite Group data |
Locality Data: | Click here to view Spro pegmatite, Nesodden, Viken, Norway |
Data Identifiers |
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Mindat Occurrence Record ID: | 231794 |
Long-form Identifier: | 1:3:231794:6 |
GUID (UUID V4): | 7f0767d9-37b2-4847-b018-373f2402d6ba |
Nearest other occurrences of Microlite Group |
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39.0km (24.2 miles) | ⓘHattvik Feldspar Quarry, Dillingøya (Dillingö), Moss, Viken, Norway |
81.1km (50.4 miles) | ⓘHåkestad Quarry, Håkestad, Tjølling, Larvik, Vestfold, Norway |
91.9km (57.1 miles) | ⓘHerrebøkasa, Aspedammen, Idd, Halden, Østfold, Norway |
References |
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Reference Search (possible matching items) |
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| | Thesis/Dissertation | uio.no/ Abstract In the Kragerø area in South Norway, tourmaline is commonly found in Sveconorwegian...Dalane and Havredal; and the (2) Ramfoss and (3) Spro pegmatites, from the Kongsberg Sector and Idefjorden...Idefjorden ‘Terrane’, respectively. The Lindvikskollen pegmatite area was the focus of field work and sampling...in the area. In the case of the Lindvikskollen pegmatite, which intruded a metagabbro body and its albitized...tourmaline and bulk rock chemistry indicates that the pegmatite was probably formed by mixed partial melting of |
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