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Acanthite : Ag2S | |
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Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway A 11 x 7 cm specimen with Acanthite after Argentite crystals to 1 cm from the Juliane Marie mine, Kongsberg, Buskerud, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 142553 View Count: 204 |
Acanthite : Ag2S, Calcite : CaCO3 | |
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Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway A magnificent sample, not only for the crystal size and its well defined forms. It is from a classic locality well known for Silver but where Acanthite was (and is) very uncommon. It is from E.L. Calvert collection. Kongsberg, Buskerud, Norway. Specimen size: 3.9 x 3.4 x 1.5 cm Main crystal size: 1.8 x 0.9 cm Calcite fluorescent ... |
| © fabreminerals.com | Photo ID: 103037 View Count: 193 |
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Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway Acanthite dark gray rounded crystals with native Silver on spatic Calcite, from a fabulous Silver district. 2 cm the close-up, 3x1,6 cm the specimen. In my personal Old Europa suite. Photo Simone Citon. |
| © Simone Citon | Photo ID: 219542 View Count: 64 |
Aegirine : NaFe3+[Si2O6] | |
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Rundemyr, Øvre Eiker, Buskerud, Norway Crystal sections in feldspar. Specimen from the type locality, 6x4 cm |
| © B. Otter | Photo ID: 25672 View Count: 570 |
Aegirine : NaFe3+[Si2O6] | |
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Rundemyr, Øvre Eiker, Buskerud, Norway A perfectly terminated crystal pf Aegirine ( var. Acmite) from the type locality at Rundemyr, Eiker, Buskerud, Norway. Field of view: 3 cm. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 73187 View Count: 322 |
Aegirine : NaFe3+[Si2O6] | |
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Rundemyr, Øvre Eiker, Buskerud, Norway Prismatic and on (100) twinned Aegirine in Quartz, the crystal is about 8 mm high, collection C. &H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 180222 View Count: 127 |
Althausite : Mg2[(OH,F)|PO4] | |
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Tingelstadtjern Quarry, Modum, Buskerud, Norway A massive piece with typical cleavage of light greyish althausite with green serpentine group mineral. Size 7,5 x 3,5 cm. Very, very thin veins of white szaibelyite in the althausite is also visible on the picture. Knut Edvard Larsen photo & collection |
| © K.E.Larsen | Photo ID: 132609 View Count: 257 |
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Overntjern Quarry, Modum, Buskerud, Norway Part of a distorted crystal of althausite embedded in white magnesite matrix. With hematite (on the right)and some green serpentine group mineral. The somewhat reddish colour of the althausite is due to partly alterating to apatite. Size of piece: 6 cm x 3,5 cm. Knut Edvard Larsen photo and collection (# 281): Selfcollected in 1977. |
| © K.E.Larsen | Photo ID: 132611 View Count: 240 |
Althausite : Mg2[(OH,F)|PO4], Clinochlore : (Mg,Fe2+)5Al[(OH)8|AlSi3O10] | |
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Tingelstadtjern Quarry, Modum, Buskerud, Norway A 9 x 9 cm specimen with a large greyish cleavage of althausite, yellow serpentine and green clinochlore from Tingelstadtjern, Modum, Buskerud, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 144353 View Count: 168 |
Althausite : Mg2[(OH,F)|PO4] | |
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Overntjern Quarry, Modum, Buskerud, Norway 3.2x5 cm specimen. Numerous 0.5 cm grayish to maroon colored and opaque crystals of althausite are found on this specimen. |
| © 1995-2001 Trinity Mineral Co. | Photo ID: 359 View Count: 1058 |
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