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Andradite (Var: Demantoid) : Ca3Fe3+2[SiO4]3 | |
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Cerro De La Concordia, Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico Some demantoids over matix, microspecimen. FOV 30 mm. Photo and collection Pedro González. Equipment Olympus E-500 with Vivitar 90 mm. macro. |
| © Pedro González | Photo ID: 163312 View Count: 134 |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico Crystals group of quartz var. amethyst Dimension of specimen 1,5 x 2 x 1 Collection and photo Alessio Piccioni |
| © Alessio Piccioni | Photo ID: 266312 View Count: 16 |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico Showy purple amethyst crystals to 2.4 cm in length are scattered attractively throughout this 11.0 x 7.2 x 4.2 cm matrix. No damage; the crystals are lustrous and transparent with good color. One small crystal is even a scepter. Ex Lloyd Tate collection. Ref: The Mineralogical Record: 34: 55-67, 91. |
| © Dan & Diana Weinrich Minerals | Photo ID: 268831 View Count: 7 |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico A very attractive amethyst specimen from Veracruz. The specimen consists of a flattish matrix plate measuring 8.6 x 7.9 x 4.0 cm in size, the top scattered attractively with prismatic undamaged terminated transparent glassy crystals of amethyst to 3.7 cm in length. The crystals are near colorless at their bases, grading into a showy pale purple to ... |
| © Dan & Diana Weinrich Minerals | Photo ID: 268785 View Count: 6 |
Quartz (Var: Amethyst) : SiO2 | |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico 3.0 x 2.6 x 2.4 cm. This is no ordinary Las Vigas amethyst. The color and intense gemminess of the crystals is so good that it is hard to describe - more like a gem than a quartz specimen! Under case light, the color is a shocking purple/scarlet - the specimen just glows. And it is beautifully balanced and trimmed out, with the smaller crystals ... |
| © Rob Lavinsky | Photo ID: 119710 View Count: 140 |
Quartz (Var: Amethyst) : SiO2 | |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico 13.3 x 12.1 x 5.8 cm. This is a killer specimen of Las Vigas amethyst. The reason it is so fine is not just its size, and the fact that Las Vigas amethysts are amongst the finest in the world, but most importantly for the intensely saturated color in these crystals. The crystals measure to 2.5 cm, and are beautifully isolated on the matrix. |
| © Rob Lavinsky | Photo ID: 118795 View Count: 163 |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico This cluster has an association of analcime crystals to almost 1 mm directionally coating one side of the specimen. The tallest amethyst crystal has an interesting chevron color zonation near the termination of the crystal. Size: 30mm x 52mm x 21mm |
| © Collectors Edge | Photo ID: 69176 View Count: 250 |
Quartz (Var: Amethyst) : SiO2 | |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico This is probably my favorite specimen. Overall specimen size is 5.5 cm. Collection and photo: Albert Russ |
| © Albert Russ | Photo ID: 89577 View Count: 235 |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico The aesthetics on this specimen are fantastic. Two dominant amethyst crystals crowning a epidote covered matrix with radiating sprays and doubly terminated quartz. Beautiful! Size: 51mm x 43mm x 50mm |
| © Collectors Edge | Photo ID: 69353 View Count: 233 |
Quartz (Var: Amethyst) : SiO2 | |
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Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico This beautiful "rabbit ears" specimen displays as photographed without a stand. Size: 38mm x 50mm x 26mm |
| © Collectors Edge | Photo ID: 69171 View Count: 223 |
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