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Cassiterite : SnO2 | |
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Fairbanks, Fairbanks North Star Borough, Alaska, USA 6.9 x 5.4 x 2.4 cm. Due to their high tin content, these stream-worn nodules of cassiterite were familiarly known as "stream tin". An Alaskan example is a rarity! This is a solid, complete nugget, all around. This specimen from Fairbanks weighs 10 ounces; ex. Charles Hansen Collection. |
| © Rob Lavinsky | Photo ID: 166760 View Count: 80 |
Gold : Au | |
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Chicken, Fairbanks North Star Borough, Alaska, USA 8mm ribbon of gold on matrix. Photographed by, and in the collectin of, Karl Volkman |
| © Karl Volkman03/05 | Photo ID: 29274 View Count: 362 |
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Tok, Fairbanks North Star Borough, Alaska, USA A amethyst cluster measuring 5.7 cm in the Creekmur collection. |
| © Charles Creekmur | Photo ID: 247568 View Count: 20 |
Rhodonite : MnSiO3 | |
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Tok, Fairbanks North Star Borough, Alaska, USA Name: Rhodonite (pink/red) Measurements: 9 x 7 cm Collected: Other - in the collection of Crater Rock Museum, Central Point, Oregon Photographer: Phyllis Richardson Info: Cut slab of rhodonite |
| © Crater Rock Museum | Photo ID: 104389 View Count: 163 |
Stibnite : Sb2S3 | |
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Fairbanks, Fairbanks North Star Borough, Alaska, USA Massive gray metallic stibnite from an unusual Alaskan locality. ex. J. Cilen #4238. Overall size of mineral specimen: 5x4.5x2.5 cm. |
| © 2001 John H. Betts | Photo ID: 1524 View Count: 424 |
Yugawaralite : CaAl2Si6O16·4H2O | |
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Tors Campground Trail, Chena River, Fairbanks North Star Borough, Alaska, USA A 5.1 by 3.0 cms specimen with a large and some smaller crystals. John Sobolewski specimen and photograph. |
| © John Sobolewski | Photo ID: 62317 View Count: 363 |
Yugawaralite : CaAl2Si6O16·4H2O | |
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Tors Campground Trail, Chena River, Fairbanks North Star Borough, Alaska, USA 1.5 cm tall yugawaralite crystal partially cover by quartz. Doug Merson photo and collection. |
| © DM 07 | Photo ID: 84997 View Count: 322 |
Yugawaralite : CaAl2Si6O16·4H2O, Quartz : SiO2 | |
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Tors Campground Trail, Chena River, Fairbanks North Star Borough, Alaska, USA Colorless platy crystals of yugawaralite to 0.8 cm in size with white crystallized quartz. |
| © Dan & Diana Weinrich | Photo ID: 232035 View Count: 96 |
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