| Locality type: | Mine |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6 (T6O18)(BO3)3X3Z |
| Comments: | A XRD of a green mineral showed "tourmaline". Analysis done at NHM, Oslo (L.O.Kvamsdal info 16.03.2016). |
| Colour: | Green |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Byrud Emerald Mines, Minnesund, Eidsvoll, Viken, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 695468 |
| Long-form Identifier: | 1:3:695468:0 |
| GUID (UUID V4): | 8c1893cc-1c4e-47f5-af53-df54c6457112 |
| Nearest other occurrences of Tourmaline |
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| 80.5km (50.0 miles) | ⓘSpro pegmatite, Nesodden, Viken, Norway |
| 81.8km (50.8 miles) | ⓘVardåsen Tunnel, Asker, Viken, Norway |
| 83.1km (51.6 miles) | ⓘØvre Dypingdal Mine, Dypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway |
| 85.5km (53.1 miles) | ⓘØksne Quarry, Lier, Buskerud, Norway |
| 89.1km (55.4 miles) | ⓘSkuterud Mines, Modum West, Modum, Buskerud, Norway |
| 91.7km (57.0 miles) | ⓘØvre Lahell Quarry, Lier, Buskerud, Norway |
| 93.1km (57.8 miles) | ⓘSætersberg (Sätersberg), Modum, Buskerud, Norway |
| 97.5km (60.6 miles) | ⓘSolbergmoen, Nedre Eiker, Drammen, Buskerud, Norway |
| 97.8km (60.8 miles) | ⓘBatteriet, Nedre Eiker Church, Nedre Eiker, Drammen, Buskerud, Norway |
| 98.0km (60.9 miles) | ⓘRyggkollen, Nedre Eiker, Drammen, Buskerud, Norway |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | The emerald deposit at Byrud, Eidsvoll, South Norway Fred Steinar Nordrum, Kongsberg, and Gunnar Raade...occurrence of emerald has been mined, located at the Byrud farm on the shore of Lake Mj0sa near Minnesund in Eidsvoll...specimens. History The initial discovery of the emerald occurrence is not documented, but it probably took...pieces with translucent crystals of green beryl (emerald). At a later stage, the name Gustaf Nauckhoff (1847-1919)...with green, nontranslucent beryl crystals from Byrud, in which the labeis say that they were gifts to |  | | Journal (issue) | | SUMMER 2008 PAGES 107– 200 Emeralds from Byrud, Norway Modeling the Koh-i-Noor Diamond Coated Tanzanite...of Emeralds from a Historical Deposit: Byrud (Eidsvoll), Norway Benjamin Rondeau, Emmanuel Fritsch, Jean-Jacques...diamonds from LIMHP • Glass imitation of rubellite • Tourmaline and imitations from Afghanistan 191 Thank You...extracurricular activities. Field trips to the gem pegmatite mines of San Diego County, a gem photography contest and...OF EMERALDS FROM A HISTORICAL DEPOSIT: BYRUD (EIDSVOLL), NORWAY Benjamin Rondeau, Emmanuel Fritsch, Jean-Jacques |  | | Journal (issue) | | composed of quartz, microcline, plagioclase, tourmaline, muscovite, biotite, apatite, and topaz (Sardi...scarce biotite, apatite, triplite, beryl and tourmaline (Sardi, 2005). Herrera (1971) and Ricci (1971)...Here, the accessory minerals are very scarce: tourmaline, muscovite and beryl (Sardi, 2005). c g Figure...it have inclusions of other minerals such as tourmaline, quartz and muscovite. The economic importance...uvarovite molecule to the ugrandite series imparts an emerald-green colour in hand specimen; chrome-pyrope is |
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