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Apophyllite | |
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Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico A nice pink Apopyhyllite xx-specimen; collected Dec. 1965. Size: 80 x 45 x 45 mm. |
| © E. Riech | Photo ID: 243643 View Count: 17 |
Apophyllite-(KOH) : KCa4[(OH,F)|Si8O20] · 8H2O, Pyrite : FeS2, Tobermorite : Ca5Si6(O,OH)18·5H2O | |
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Noche Buena, Mun. de Mazapil, Zacatecas, Mexico Pink apophyllite crystals with finely-formed, bright and striated pyrite crystals. Also note the pretty spherical white tobermorite 3.3 x 3.1 x 2.7cm |
| © Rob Lavinsky | Photo ID: 44416 View Count: 231 |
Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Jamesonite : Pb4FeSb6S14, Pyrite : FeS2 | |
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Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico Yellowish pyrite pseudomorphs after pyrrhotite crystals up to 15 mm in a sub-parallel orientation. Elongated, bar-like arsenopyrite crystals up to 3.5 mm are scattered over the pseudos. Also hair-like jamesonite crystals in protected cavities on one end. Overall size of mineral specimen: 5x5x4 cm. Size of individual crystals: 1-15 mm. |
| © 2003 John H. Betts | Photo ID: 7326 View Count: 527 |
Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Boulangerite : Pb5Sb4S11, Pyrite : FeS2 | |
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Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico A showy and excellent combination specimen of sharp, brilliant arsenopyrite crystals to 1.2 cm with a nest of metallic boulangerite needles and scattered pyrite crystals on massive pyrite matrix from the famed Noche Buena Mine in Zacatecas, Mexico. The specimen is pristine. 8.0 x 5.3 x 3.4 cm |
| © Rob Lavinsky | Photo ID: 61261 View Count: 228 |
Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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Noche Buena, Mun. de Mazapil, Zacatecas, Mexico Arsenopyrite, textbook crystals, 3 cm. across. K. Nash specimen (#233) and image. |
| Photo ID: 224688 View Count: 68 | |
Azurite : Cu3[OH|CO3]2, Malachite : Cu2[(OH)2|CO3] | |
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Mazapil, Mun. de Mazapil, Zacatecas, Mexico Sparkling cluster of translucent blue azurite crystals with minor green malachite. Under magnification the azurite is seen to be exceptionally well crystallized. Overall size of mineral specimen: 4x4x3.5 cm. Size of individual crystals: 3-8 mm. |
| © 2002 John H. Betts | Photo ID: 4661 View Count: 382 |
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Mun. de Mazapil, Zacatecas, Mexico Tiny drusy crystals of azurite completely cover a matrix measuring 9 x 6 1/2 x 6 inches and weighing 8 pounds. Pale mint green cubes of fluorite form the base all this sits on. Collected in 1958 and in the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 17565 View Count: 256 |
Azurite : Cu3[OH|CO3]2 | |
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San Carlos Mine, Mazapil, Mun. de Mazapil, Zacatecas, Mexico Sharp and bright little crystals to 5 mm., with a bit of Malachite. Specimen is 2.2x1.7x1.1 cm. |
| Photo ID: 244674 View Count: 33 | |
Boulangerite : Pb5Sb4S11, Pyrite : FeS2 | |
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Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico Large specimen with rich coverage of fine, hair-like boulangerite crystals coating brassy pyrite crystals. These specimens are often misidentified as jamesonite. Very clean specimen - no damage. Overall size of mineral specimen: 11x5x4 cm. Size of individual crystals: 5-10 mm. |
| © 2002 John H. Betts | Photo ID: 4783 View Count: 558 |
Boulangerite : Pb5Sb4S11, Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Pyrite : FeS2, Quartz : SiO2 | |
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Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico A STRKING and EXCELLENT CABINET specimen of nests of lustrous, soft, hair-like, silver boulangerite crystals richly covering the upper-half of the arsenopyrite, pyrite and quartz matrix from the famous Noche Buena Mine in Zacatecas, Mexico. Ex Ed Ruggiero Collection, who purchased this piece in 1975 as jamesonite, but had it x-rayed as ... |
| © Rob Lavinsky | Photo ID: 47579 View Count: 277 |
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