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Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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I Mondei (Ca' Mondei), Montescheno, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Overall size 8x6x3 cm. Group of radiating crystals immersed in quartzite matrix. Photo and private collection of Marco Macchieraldo. |
| © Marco Macchieraldo | Photo ID: 176455 View Count: 126 |
Pyrope : Mg3Al2[SiO4]3 | |
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I Mondei (Ca' Mondei), Montescheno, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy rosa-brown crystal of pyrope up to 1 mm Photo and collection Domenico Preite |
| © D. Preite | Photo ID: 265643 View Count: 10 |
Zircon : Zr[SiO4] | |
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I Mondei (Ca' Mondei), Montescheno, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy short violet crystal of zircon up to 0,8 mm in pegmatite. Photo & collection Domenico Preite |
| © D. Preite | Photo ID: 135147 View Count: 159 |
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