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Chalcedony | |
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Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry), Rockville, Montgomery Co., Maryland, USA Lovely botryoidal red brown and orange Chalcedony on massive Brucite and other minerals. FOV = 6.5 cm. Collected 2005 by J. Wingard. |
| © J. Wingard | Photo ID: 39192 View Count: 294 |
Chalcedony, Brucite : Mg(OH)2 | |
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Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry), Rockville, Montgomery Co., Maryland, USA Clear Chalcedony covers an iron-stained nodule of Brucite and other minerals. FOV = 4 cm. From an old fall on the second level near last years agate find. Collected 2005 by J. Wingard. |
| © J. Wingard | Photo ID: 39191 View Count: 230 |
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