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Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA Large Calcite crystals with bright orange coating of iron impurities. Specimen from the classic Orange Pocket at the Delta Carbonate Quarry, York, York Co., Pennsylvania. The coatings of Iron impurities on these crystals were fairly consistant throughout this huge pocket deposit and added a striking coloration to the specimens. A truly ... |
| © M.Heintzelman | Photo ID: 17632 View Count: 385 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA A stack of lenticulated crystals with frosted edges. 6cm X 4cm X4cm. From a find in 2003. |
| © Geoffrey Krasnov | Photo ID: 87683 View Count: 102 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA A huge (10cm X 10cm)twinned lenticulated crystal with gemmy honey center and milky zoning plays host to smaller twinned crystals with amber centers. From an isolated pocket. Overall 14cm X 10.5cm X 8.5cm |
| © 1 | Photo ID: 155078 View Count: 96 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA 12.9 x 7.4 x 4.9 cm. A large and superb York County calcite, out of the Feist Collection. Surface inclusions of iron impurities giving the calcites from this mine this dazzling orange color. This is a single very large crystal with micro-stepping all over its faces. It is complete all around and uncontacted, and absolutely glows under good light. |
| © Rob Lavinsky | Photo ID: 199447 View Count: 42 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA An aggregation of lenticulated amber centered crystals with opaque fringes on matrix. From a limited find in 2003. 10.5cm X 7.5cm X 6.5cm Mindat.org Photo of the Day - 22nd Apr 2007 |
| © Geoffrey Krasnov | Photo ID: 87684 View Count: 589 |
Calcite : CaCO3 | |
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York, York Co., Pennsylvania, USA Translucent golden Calcite crystals with Striated faces and satin luster, classic for the locality. Specimen is from the Medusa Cement Company Quarry, West York, York Co., Pennsylvania. Specimen size: 5 x 4.7cm. From the PA Annex of my personal collection, acquired in 2003. |
| © M.Heintzelman | Photo ID: 15229 View Count: 379 |
Calcite : CaCO3 | |
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York, York Co., Pennsylvania, USA Translucent golden Calcite crystals with Striated faces and satin luster, classic for the locality. Fully crystalized "floater" specimen with no apparent attatchment point or contacting. Specimen is from the York Quarries, York Co., Pennsylvania. Specimen size: 5.7 x 4cm. From the PA Annex of my personal collection, acquired in 2003. |
| © M.Heintzelman | Photo ID: 15228 View Count: 362 |
Calcite : CaCO3 | |
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York, York Co., Pennsylvania, USA This is a GORGEOUS and unusually gemmy/lustrous Penn Calcite! It is also big and showy as heck! It features a large, equant, gemmy, lustrous, golden-colored calcite aesthetically arranged on a matrix of smaller calcite crystals. This is an extremely aesthetic matrix specimen because of this form, and the way the main crystal is basically set on a ... |
| © Rob Lavinsky | Photo ID: 36950 View Count: 252 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA Stacked stubby prismatic crystals covered in bright orange limonite crust. From the "orange pocket" find in the late 1990's. 9cm X 6cm X 5cm |
| © Geoffrey Krasnov | Photo ID: 87679 View Count: 122 |
Calcite : CaCO3 | |
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Roosevelt Avenue Quarry (York Stone Quarry), York, York Co., Pennsylvania, USA A large 6cm gemmy central crystal with flattened sister crystals on either side. Overall dimensions 11.5cm X 7.5cm X 4cm . From the early 1990's. |
| © Geoffrey Krasnov | Photo ID: 87681 View Count: 117 |
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