Flat-lying, lustrous crystals of sillimanite (to 3 cm) embedded in schist matrix, a rich specimen from a historic old locality. Ex. Philadelphia Academy of Sciences Collection.
Atribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
Vu es líber:
distribuer – a copiar, distribuer e transmisser li labor
remixter – adaptar li ovre
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atribution – Vu deve dar li credite convenent, provider un catenun por li autorisation, e indicar si changes esset fat.
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