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Gummite (Var: Yttrogummite) | |
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Suishoyama pegmatite (Suishouyama; Suisyoyama; Suishyoyama), Iizaka (Iisaka) Village, Kawamata, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan Yellow brown to yellow orange resinous yttrogummite with gray black yttrotantalite-(Y). FOV = 7 x 10 mm |
| © Van King | Photo ID: 239232 View Count: 94 |
Gummite | |
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Chupa pegmatite field, Northern Karelia, Karelia Republic, Northern Region, Russia Bright yellow-orange pseudomorphoses of "gummite" after cm-size crystal of broggerite. Composition of this gummite is very interesting - central orange part consist of thorian curite, this oxide core is surrounded by yellow silicate rim composed from bright yellow casolite and pale yellow soddyite. Pegmatite matrix especially micas are penetrated ... |
| © Pavel M. Kartashov | Photo ID: 167587 View Count: 294 |
Gummite, Uraninite : UO2 | |
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Biermann & Codfish Hill quarries, Bethel, Fairfield Co., Connecticut, USA This specimen consists of micro uraninite grains up to about 0.5mm (visible under magnification) dispersed in a small lump of mica with associated brilliant yellow alteration products (gummite). The yellow mineralized area is about 20mm across. Self collected. Overall specimen size 5X2.5X1.5cm. Photographed under artificial light. |
| © AK2008 | Photo ID: 201132 View Count: 91 |
Gummite, Uraninite : UO2, Soddyite : (UO2)2SiO4·2H2O, β-Uranophane : Ca(UO2)2[HSiO4]2 · 5H2O | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Dark patches of primary uraninite surrounded by secondary alteration products including bright orange "gummite" and a yellow mixture consisting largely of soddyite and β-uranophane. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 165542 View Count: 133 |
Gummite, Uraninite : UO2, Zircon : Zr[SiO4] | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA A VERY RICH and COLORFUL slab of massive, black uraninite and yellow to green, secondary uraninite alteration products or "gummite" associated with much dark brown zircon. 8.7 x 7.1 x 2.0 cm |
| © Rob Lavinsky | Photo ID: 62299 View Count: 741 |
Gummite, Uraninite : UO2, Muscovite : KAl2[(OH)2|AlSi3O10] | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA A VERY rich specimen of gummite from Ruggles. Specimen is about 1.5x3x1cm in size. In the collection of the photographer. |
| © 07 David Aldridge | Photo ID: 109890 View Count: 167 |
Gummite, Zircon (Var: Cyrtolite) : Zr[(SiO4),(OH)4] | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Orange and yellow "gummite" with reddish-brown zircon variety cyrtolite. Dana Jewell collection. Label is 32 mm long. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 195189 View Count: 88 |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA This specimen consists of a particularly rich mass of Gummite that hosts a colorful pattern of bright intense patches of yellow and orange in sharp contrast with black Uraninite. Ex. Ernie & Vera Schlichter Collection No. 9.1-041. Specimen size is 5.5cm x 4.5cm x 2.85cm. |
| © Jasun McAvoy | Photo ID: 260624 View Count: 15 |
Gummite, Uraninite (Var: Pitchblende) : UO2 | |
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Pick's Delta Mine (Delta Mine; Pick's Mine), Delta, San Rafael District (San Rafael Swell), Emery Co., Utah, USA 7.0 x 5.1 x 3.3 cm. Gummite is a rare radioactive mineral, a mixture of uranium minerals, oxides, silicates, hydrates and hydrous oxides of uranium, derived from the alteration of uraninite. It is named for its gum-like consistency. Here you see a layer of yellow-orange gummite on a matrix of pitchblende. Hard to obtain! From the collection of ... |
| © Rob Lavinsky | Photo ID: 159319 View Count: 129 |
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