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Andradite : Ca3Fe3+2[SiO4]3 | |
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Arendal Iron Mines, Arendal, Aust-Agder, Norway Black andradite from the Haugerei mine. The crystals appear in a vug in massive garnet with diopside and epidote. The largest complete crystal on the photo is 7mm. It seems as if the crystallized vug has been filledd with calcite, that has been naturally dissolved. |
| © Olav Revheim | Photo ID: 233033 View Count: 19 |
Apatite-(CaCl) : Ca5[Cl|(PO4)3], Hornblende | |
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Arendal Iron Mines, Arendal, Aust-Agder, Norway Intergrown heaxgonal chlorapatite crystals with needles of hornblende. Specimen 8040 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 25584 View Count: 818 |
Apatite-(CaCl) : Ca5[Cl|(PO4)3], Hornblende | |
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Arendal Iron Mines, Arendal, Aust-Agder, Norway Intergrown heaxgonal chlorapatite crystals with needles of hornblende. Specimen 8040 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 25585 View Count: 304 |
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Neskilen Mines (Næskil Mines), Neskilen (Næskil), Arendal Iron Mines, Arendal, Aust-Agder, Norway Magnetite octahedra, some coated with unindentified mineral. Obtained in 1985. Alan Goldstein specimen (#5037) and photo. FOV = 8 mm |
| © Alan Goldstein | Photo ID: 49002 View Count: 294 |
Scapolite, Magnetite : Fe2+Fe3+2O4 | |
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Neskilen Mines (Næskil Mines), Neskilen (Næskil), Arendal Iron Mines, Arendal, Aust-Agder, Norway Long crystals of scapolite (Marialite-Meionite series), some iron-stained, with magnetite. Alan Goldstein specimen (#5037) and photo. FOV ~1 cm |
| © Alan Goldstein | Photo ID: 42710 View Count: 360 |
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