| Locality type: | Quarry |
| Classification |
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| Species: | Forsterite |
| Formula: | Mg2SiO4 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Forsterite data |
| Locality Data: | Click here to view Thelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 84857 |
| Long-form Identifier: | 1:3:84857:0 |
| GUID (UUID V4): | a8825ffc-27ec-4414-9681-a77b2a3c6841 |
| Nearest other occurrences of Forsterite |
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| 1.1km (0.7 miles) | ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 1.7km (1.0 miles) | ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 1.9km (1.2 miles) | ⓘSouthern Lake Laach Shore, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| 3.0km (1.9 miles) | ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 3.2km (2.0 miles) | ⓘMichels Quarry, Basalt quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 3.4km (2.1 miles) | ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 4.0km (2.5 miles) | ⓘTuff outcrops, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 4.1km (2.6 miles) | ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 4.4km (2.7 miles) | ⓘRodder Höfe, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 4.5km (2.8 miles) | ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| References |
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| Reference Search (possible matching items) |
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 | | Book | | Rocks of the Laacher See and Other Areas of West Germany ............... 5.13 Leucite-Bearing Rocks of the...4 9.2 The System Forsterite-Diopside-Leucite-Anorthite . 113 The Join Forsterite-Diopside-Anorthite... ......... 113 The Join Forsterite-Anorthite-Leucite .......... 113 The Join Diopside-Leucite-Anorthite...e-Si0 2 • . • • . 116 Chapter 10 The System Forsterite-Diopside-AkermaniteLeucite . . . . . . . . ......... 120 The Join Forsterite-Diopside-Leucite .......... 120 The Join Forsterite-Akermanite-Leucite |  | | Book (edition) | | there is complete solid solution between Mg2SiO4 (forsterite) and Fe2SiO4 (fayalite); similarly the (Fe,Mn)-olivines...(Mg,Fe)2[SiO4] Olivine Orthorhombic (+)() Forsterite Mg2SiO4 001 Fayalite Fe2SiO4 β z β z 001...basalts. In metamorphic rocks, both Mg-rich (forsterite) and iron-rich (fayalite) compositions occur...indices, birefringence and 2V refer to endmembers forsterite (Fo) and fayalite (Fa), between which there is...Mg2SiO4SiO2 at atmospheric pressure (~0.1 MPa), forsterite reacts with the liquid to form protoenstatite |
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