| Locality type: | Pegmatite |
| Classification |
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| Species: | Schorl |
| Formula: | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Comments: | Analysis of a sample of black tourmaline by Kolitsch et al (2011) showed it to be a Mg-rich, Ca-bearing schorl |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Schorl data |
| Locality Data: | Click here to view Ramfoss pegmatite, Kløftefoss, Modum, Buskerud, Norway |
| Photo Gallery | View Gallery (5 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 508526 |
| Long-form Identifier: | 1:3:508526:2 |
| GUID (UUID V4): | 3930d958-2f40-4cae-a0b6-ad4f83331ab9 |
| Nearest other occurrences of Schorl |
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| 46.1km (28.6 miles) | ⓘByrud Emerald Mines, Minnesund, Eidsvoll, Viken, Norway |
| 88.1km (54.8 miles) | ⓘSnarum, Modum, Buskerud, 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...Lindvikskollen, Tangen, Dalane and Havredal; and the (2) Ramfoss and (3) Spro pegmatites, from the Kongsberg Sector...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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Ramfoss pegmatite, Kløftefoss, Modum, Buskerud, Norway