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Baryte : BaSO4 | |
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Forum des Halles, Paris, Ile-de-France, France Taille de l'image 16 mm |
| © Georges BRET | Photo ID: 47743 View Count: 391 |
Celestine : SrSO4, Calcite : CaCO3 | |
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Forum des Halles, Paris, Ile-de-France, France Field of view : 3mm, Photo & Colection : JM.Johannet. |
| © JM. Johannet | Photo ID: 25817 View Count: 436 |
Gypsum : Ca[SO4] · 2H2O | |
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Montmartre, Paris, Ile-de-France, France Gypsum, translucent twinned crystal, 16 x 8 x 2.5 cm.. A number of these were found during installation of an underground electric cable in the Montmarte District of Paris about 1997. Obtained from Parisian mineral dealer Alain Carion at the Tucson Gem & Mineral Show, c. 1998. K. Nash specimen and image. |
| Photo ID: 236492 View Count: 34 | |
Gypsum (Var: Satin Spar Gypsum) : Ca[SO4] · 2H2O | |
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Montmartre, Paris, Ile-de-France, France 10 cm field of view. Illuminated to enhance the silky effect. S118-23 Excalibur Mineral Company specimen. |
| © 2008, JGW | Photo ID: 149274 View Count: 354 |
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Ménilmontant, Paris, Ile-de-France, France Opal - var. Menilite - a 7 x 6 cm nodular mass from Menilmont, Paris, France. |
| © Christopher O'Neill | Photo ID: 154058 View Count: 186 |
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