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Oploca Vein System (Oploca mine), Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina 7.1 x 5.6 x 3.4 cm. Toyohaite featuring a huge 1 mm eye-visible crystal, clearly contrasted upon the sparkling sulfide matrix. Originally described from the Toyoha mine in Japan where it occurred in microscopic grains only. For the first time, the new occurrence in Argentina provides large crystals of this species (+/- 1 mm) grown on ... |
| © Rob Lavinsky | Photo ID: 206922 View Count: 80 |
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Oploca Vein System (Oploca mine), Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina 6.2 x 4.4 x 3.9 cm. Toyohaite specimen featuring 4 sub-mm on the sparkling sulfide matrix. Originally described from the Toyoha mine in Japan where it occurred in microscopic grains only. Associated with franckeite-potosiite, pirquitasite, cylindrite and fizelyite-ramdohrite. The mineral has a "pseudo-cubic" shape and looks like pyrrhotite. The ... |
| © Rob Lavinsky | Photo ID: 206916 View Count: 75 |
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Oploca Vein System (Oploca mine), Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina 9.7 x 8.0 x 5.8 cm. Toyohaite specimen featuring visible crystals to about 1 mm, clearly contrasted upon the sparkling sulfide matrix. This specimen has a small zone of analyzed pirquitasite - see arrow. Originally described from the Toyoha mine in Japan where it occurred in microscopic grains only. Associated with other rare minerals such as ... |
| © Rob Lavinsky | Photo ID: 206920 View Count: 71 |
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Oploca Vein System (Oploca mine), Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina 7.6 x 6.3 x 5.9 cm. Toyohaite specimen featuring crystals clearly contrasted on the sparkling sulfide matrix. Originally described from the Toyoha mine in Japan where it occurred in microscopic grains only. Associated with franckeite-potosiite, pirquitasite, cylindrite and fizelyite-ramdohrite. The mineral has a "pseudo-cubic" shape and looks like ... |
| © Rob Lavinsky | Photo ID: 206918 View Count: 65 |
Toyohaite : Ag2FeSn3S8, Sphalerite : (Zn,Fe2+)S | |
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Toyoha mine, Sapporo, Hokkaido Island, Japan Non-visible inclusions of toyohaite in polished sphalerite matrix - labeled as being portion of type specimen. S337-01 0.4 cm Excalibur Mineral Company specimen. |
| © 2008, JGW | Photo ID: 152111 View Count: 224 |
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