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In the USA Gallery we present some minerals from districts and localities all over the country from Maine to California. In Page 1 you can browse through nice calcites, old millerites, wulfenites, dioptases, elbaites and others while Page 2 is devoted to specimens from Mississippi Valley-type deposits as the Elmwood-Gordonsville District in Tennessee, the Viburnum Trend in Missouri and the Illinois Fluorspar District. |
WUSA-SW/272 - Quartz Bennett Quarry, Buckfield, Oxford Co. (Maine, USA) Floater tabular biterminated crystal of translucent whitish quartz with some areas coated by yellowish cookeite. Very little damage at bottom termination difficult to appreciate. 10x5.8x1.3 - 30 € |
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WUSA-SW/271 - Quartz Bennett Quarry, Buckfield, Oxford Co. (Maine, USA) Floater tabular biterminated crystal of translucent whitish quartz. Just a tiny nick at one termination difficult to appreciate. 10.5x4x1.5 - 30 € |
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WUSA-05/29 - Calcite Linwood Mine, Buffalo, Scott Co. (Iowa, USA) Matrixless cluster of transparent to translucent white scalenohedra of calcite to 2.5x1.3 cm. Undamaged. 2.7x1.9x1 - 10 € |
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WUSA-05/61 - Copper Ajo, Pima Co. (Arizona, USA) Large heavy mass of pure metallic copper with numerous distorted crystals to about 2.5 cm. across as well as skeletal growths in some areas. Small pieces of matrix attached as seen in the pictures. Presents some pitted surfaces which may indicate that the specimen has been perhaps etched at some moment in the past to eliminate patina (but I am not sure at all about that, the pitted surfaces may also be natural). Undamaged. Nice and interesting old specimen from the collection of the Estate of Esmond Bradley Martin, Knole, Old Westbury, New York. 20x10.5x3 - 760 € |
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WUSA-MS/5 - Dioptase Magma Mine, Pioneer District, Pinal Co. (Arizona , USA) Dark emerald-green microcrystalline dioptase with some crystals to less than 2 mm. coating a volcanic matrix. There are fissures and coatings of bluish chrysocolla. 5x4x3.5 - 18 € |
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WUSA-DS/7 - Wulfenite and barite Puzzler Mine, Castle Dome District, Yuma Co. (Arizona, USA) Small lustrous translucent yellow crystals of wulfenite to 0.4 cm. on edge coating a white partly crystallized barite matrix. Most are square or octagonal tabular crystals with bevelled edges. Crystals are undamaged. There are rosettes of small white quartz crystals as seen in the picture at top left. Nice specimen from an uncommon locality for wulfenite. Collected in 1992, ex-David Shannon specimen with his stock label. 5x4x2 - 15 € |
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WUSA-DS/12 - Wulfenite Puzzler Mine, Castle Dome District, Yuma Co. (Arizona, USA) Small lustrous translucent yellow crystals of wulfenite to 0.2 cm. on edge coating a white barite matrix. Most are square or octagonal tabular crystals with bevelled edges. Crystals are undamaged. Collected in 1992, ex-David Shannon specimen with his stock label. 4.3x3.3x2.8 - 12 € |
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WUSA-03/4 - Elbaite Himalaya Mine, Mesa Grande District, San Diego Co. (California, USA) Choice loose single biterminated crystal of bicolor elbaite. Transparent and undamaged except for a tiny nick almost unnoticeable at the top termination. 3.9x1x0.7 - 100 € |
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