Corsi 795, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 795 |
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| Name and quarry location: | Swedish porphyry, from Älvdalen, Dalarna, Sweden |
| Geological description: | Lamprophyre (minette group). Poikilocrysts of brown (?kaersutitic) amphibole up to 25mm enclosing subhedral crystals of pyroxene, feldspar and opaque mineral. Groundmass contains carbonate and possible feldspathoid. |
| Comments: | |
| References: | Geonord (n.d.); Porfyr Museet (n.d.); Price (2007) 205 |
| Further information: |
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| Corsi's classification: | Class 15. Porphyry; Species 1; ii. Italian porphyries |
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| Corsi's text: | 196.7 Porfido di Svezia |