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Doyleite : Al(OH)3, Sphalerite : (Zn,Fe2+)S | |
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Cerro de Potosí (Cerro Rico), Potosí City, Potosí Department, Bolivia An 18cm specimen of multicolored Doyleite crusts on massive Sphalerite. Purchased by fellow PhD student, Sam Haines at Cerro Rico as a smithsonite. It was later identified as Doyleite by XRD. Sam cut the specimen in half, and gave me this half, the other remains in his personal collection. C. Stefano specimen #1919. |
| © C. Stefano '09 | Photo ID: 208156 View Count: 117 |
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Baoshan Cu-Mo-Pb-Zn deposit, Guiyang Co., Chenzhou Prefecture, Hunan Province, China Uniform intense blue growth, on matrix and with intergrowths of Gibbsite. Baoshan, Hunan, China. Found in 07/2006 Specimen size: 21 × 11.3 × 9.3 cm Minor fluorescence long & short UV |
| © fabreminerals.com | Photo ID: 198245 View Count: 80 |
Doyleite : Al(OH)3, Gibbsite : Al(OH)3 | |
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Baoshan Prefecture, Yunnan Province, China An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms and esthetic green color. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: 3 x 3.5 x 2.3 cm Intense fluorescence short UV & fluorescent long UV |
| © fabreminerals.com | Photo ID: 81899 View Count: 449 |
Doyleite : Al(OH)3, Gibbsite : Al(OH)3 | |
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Baoshan Prefecture, Yunnan Province, China An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: 4.8 x 4.4 x 3.7 cm Intense fluorescence short UV & fluorescent long UV |
| © fabreminerals.com | Photo ID: 81897 View Count: 189 |
Doyleite : Al(OH)3, Gibbsite : Al(OH)3 | |
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Baoshan Prefecture, Yunnan Province, China Esthetic specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this nice miniature of botryoidal forms and excellent green color. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: 4.3 x 3.8 x 3.3 cm Intense fluorescence short UV & fluorescent long UV |
| © fabreminerals.com | Photo ID: 88853 View Count: 154 |
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Baoshan Prefecture, Yunnan Province, China Esthetic specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this nice miniature of botryoidal forms and excellent color, with nice changes of shade from green to brown, with white strips and spectacular greasy luster present on very few specimen. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: ... Mindat.org Photo of the Day - 13th Feb 2007 |
| © fabreminerals.com | Photo ID: 88857 View Count: 427 |
Doyleite : Al(OH)3, Gibbsite : Al(OH)3, Phlogopite : KMg3[(OH,F)2|AlSi3O10] | |
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Baoshan Prefecture, Yunnan Province, China Botryoidal spheres of Doyleite growing along with its polymorph Gibbsite. Analysis shows that Doyleite dominates the mix. There are also minor canary yellow Phlogopite crystals. Fabre Minerals specimen, now in the Jordi Vilallonga collection. Specimen size: 8 x 6.5 x 1.9 cm. |
| © fabreminerals.com | Photo ID: 67150 View Count: 387 |
Doyleite : Al(OH)3, Gibbsite : Al(OH)3 | |
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Baoshan Prefecture, Yunnan Province, China An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: 9.4 x 7.4 x 3.7 cm Intense fluorescence short UV & fluorescent long UV |
| © fabreminerals.com | Photo ID: 81900 View Count: 204 |
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Baoshan Prefecture, Yunnan Province, China An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms and esthetic greenish color with attractive clearer, almost white, stripes. This specimen was photographed and published as a novelty at the 2006 Munich Show in the magazine ‘Le Règne Minéral’ ... |
| © fabreminerals.com | Photo ID: 82103 View Count: 177 |
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Baoshan Prefecture, Yunnan Province, China An excellent sample of this rare hydroxide, a polymorph of Gibbsite. Both species are together on this specimen in botryoidal forms, with an esthetic green color with attractive light green zones. Baoshan, Yunnan, China. Found in 07/2006 Specimen size: 13.5 x 7.7 x 5.5 cm Fluorescence short UV & low fluorescence long UV |
| © fabreminerals.com | Photo ID: 103098 View Count: 175 |
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