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C45a | Pyrite - {Tetrahedrons octohedrons - Isom. | # Student Coll. 1722 - 3 specs -
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C46 | Pyrites | in Chlorite |
C47 | Pyrites | Joined Nodules ON 649 648 |
C48 | Pyrites | ON 646 |
C49 + 49a | Marcasite C49a - orthorhombic cockscomb
| (49b - with crystals) orthorhombic - see C652 etc ON 667 |
C50 + C50a | Marcasite orthorhombic
| Nodules ON 668 |
C51 | Ilmenite | ON 1513 |
C52 | Ilmenite | in Quartz ON 608 |
C53 | Ilmenite | ON 1512 |
C54 | Pyrites | with chalcopyrite |
C55 | Pyrrhotite | " " |
C56 | Siderite | Kidney Ore ON 698 |
C58 | Siderite (with sphalerite) |
C59 | Siderite | rhombohedrons ON 141 |
C60 | Siderite (FeCO3 - with Quartz + Hematite) |
C61 | Siderite | rhombs. ON 162 |
C62 | Braunite Returned to Student Coll. 9/65 | 3Mn2O3 - MnSiO3 ON 587 |
C63 | Psilomelane | botryiodal ON 588 |
C64 | Pyrolusite |
C65 | Hausmanite | O.N. 823 |
C66 | Psilomelane | botryoidal Red? ON 1516?? |
C67 | Psilomelane stalactic
| " ON 1515
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C68 | Manganite | | Untitled Page 10
C45a | Pyrite - {Tetrahedrons octohedrons - Isom. | # Student Coll. 1722 - 3 specs - |
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