Corsi 708, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 708 |
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| Name and quarry location: | Marmor aequipondus, perhaps from Liguria, Italy |
| Geological description: | Serpentinised (or possibly fine amphibolitised) peridotite with coarse-grained green former pyroxenes, pale green former olivine domains, and opaque oxide. |
| Comments: | This is the stone correctly known as marmor aequipondus. |
| References: | Corsi (1845) 162-164 |
| Further information: |
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| Corsi's classification: | Class 13. Feldspars; Species 4. Nephrite |
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| Corsi's text: | 175.2 Pietra nefrite. Marmor aequipondus. Lapides martyrum. Nefrite antica... non si conosce la cava |