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Andradite : Ca3Fe3+2[SiO4]3 | |
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Arendal, Aust-Agder, Norway Field of view 2,5 cm - Photo & collection M.Mader |
| © 2005 - MMI | Photo ID: 33386 View Count: 329 |
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 |
Andradite : Ca3Fe3+2[SiO4]3 | |
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Barbu mine, Arendal, Aust-Agder, Norway Andradite crystals in a small slab. Obtained in 1984. Specimen 1294 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 25709 View Count: 360 |
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: 819 |
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 |
Apatite (Var: Moroxite) | |
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Arendal, Aust-Agder, Norway Old-time specimen of unique sea-blue crystals of fluorapatite up to 2 mm scattered on black amphibole(?) matrix. With old label from the Schortmann's. Overall size of mineral specimen: 8x4x4 cm. Size of individual crystals: 1-2 mm. |
| © 2002 John H. Betts | Photo ID: 3877 View Count: 701 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH) | |
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Arendal, Aust-Agder, Norway Black doubly terminated babingtonite crystal (1 mm). Ex Gabriel Auguste Daubrée collection Ex Gilbert-Joseph Adam Ex Natural History Museum Paris. |
| © Van King | Photo ID: 199200 View Count: 47 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH) | |
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Arendal, Aust-Agder, Norway Babingtonite - a doubly-terminated crystal on a larger cluster, 150x, R. Turner specimen and SEM image (specimen provided by Alan Goldstein). |
| © Alan Goldstein | Photo ID: 116987 View Count: 102 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH) | |
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Arendal, Aust-Agder, Norway Babingtonite crystal, 90x, R. Turner specimen and SEM image (specimen provided by Alan Goldstein). |
| © Alan Goldstein | Photo ID: 116986 View Count: 74 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH) | |
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Arendal, Aust-Agder, Norway Massive black babingtonite crystals with small vug 1 cm across filled with terminated crystals to 2 mm. A classic specimen. Type locality. Overall size of mineral specimen: 4x4x4 cm. Size of individual crystals: 1-2 mm. |
| © 2000 John H. Betts | Photo ID: 131 View Count: 609 |
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