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|---|---|---|
 Date: 2007-09-30 02:52:06Ultramafic rocks Gemstones Spinel Gahnite Hercynite Peridotite Kimberlite Magnetite Chromite Chemistry Crystallography Matter |
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Spinel MgAl2 O4 | Hercynite Cubic. Point Group: 4/m 321m. Massive, granular, or embedded in otherDocID: 48HE - View Document |
| Spinel MgAl2 O4DocID: 24LR - View Document |
| Hercynite Cubic. Point Group: 4/m 321m. Massive, granular, or embedded in otherDocID: 1Ukv - View Document |
| Chrombismite Bi16 CrO27DocID: 1UgZ - View Document |
| Chrombismite Bi16 CrO27DocID: 1Hmd - View Document |