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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Selåsvatn, Vegårdshei (Vegårshei), Aust-Agder, Norway Large cluster of green actinolite crystals in beautiful, curving fan-shaped formations up to 5 cm. Ex. Dr. E. Sensel collection #M878. Overall size of mineral specimen: 8x7x4 cm. Size of individual crystals: 1-5 cm. |
| © 2002 John H. Betts | Photo ID: 3548 View Count: 2444 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Selåsvatn, Vegårdshei (Vegårshei), Aust-Agder, Norway Fibrous actinolite on matrix. Sample is 11,5cm high and 6cm wide at the widest. Collection of the photographer. |
| © Peter Andresen | Photo ID: 155053 View Count: 319 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Ravneberget quarry, Søndeled, Risør, Aust-Agder, Norway Specimen 17,5 cm tall. It contains an actinolite spray on albite and clinochlor. |
| © 1 | Photo ID: 151548 View Count: 258 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Selåsvatn, Vegårdshei (Vegårshei), Aust-Agder, Norway This is a typical actinolite for the locality. The largest fan is 7 cm, whereas the specimen is 10x7x3 cm. |
| © Olav Revheim | Photo ID: 217345 View Count: 119 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Selåsvatn, Vegårdshei (Vegårshei), Aust-Agder, Norway Hairlike actinolite needles gives this specimen a silk like feeling and lustre. The specimen are 7x11x2 cm, whereas the individul hairs are up to 2,5 cm. |
| © Olav Revheim | Photo ID: 217348 View Count: 79 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2, Pyrite : FeS2 | |
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Selåsvatn, Vegårdshei (Vegårshei), Aust-Agder, Norway Green crystals of actinolite on a pyrite "crystal". Collected 1998. Size of specimen: 9 cm x 6 cm Photo & collection: Atle Michalsen |
| © A. Michalsen | Photo ID: 239462 View Count: 50 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Aeschynite-Y to 1,5 cm showing typical mineral association. The crystal appears perpendicular to the cleavage plane of biotite mica, growing into the surrounding microcline. |
| Photo ID: 151137 View Count: 341 | |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Blackish brown aeschynite-(Y) crystal. (1.2 x 0.8 cm) |
| © Van King | Photo ID: 234908 View Count: 47 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 2,5 cm aescynite-(Y) crystal showing typical appearance. Found in the Slobrekka mine dump. |
| © Olav Revheim | Photo ID: 23535 View Count: 660 |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 2 ea perfectly terminated Aescynite-Y crystals from Slobrekka Iveland. The crystals are each 2.5 cm long. Aeschynite-Y noprmally occurs together with biotite mica in feldspar. |
| © Olav Revheim | Photo ID: 22144 View Count: 876 |
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