A COLLECTION OF GEOLOGICAL SPECIMENS
Most specimens unworked including a fragment of Imperial porphyry (21 cm. wide); fragments of Greek green porphyry (the largest 33 cm. wide); various fragments of Sicilian Jasper; two fragments of Giallo di Sienna (largest approx. 66 cm.) wide; a large fragment of Cornish Serpentine (approx. 57 cm.) wide; etc.
A COLLECTION OF GEOLOGICAL SPECIMENS
Most specimens unworked including a fragment of Imperial porphyry (21 cm. wide); fragments of Greek green porphyry (the largest 33 cm. wide); various fragments of Sicilian Jasper; two fragments of Giallo di Sienna (largest approx. 66 cm.) wide; a large fragment of Cornish Serpentine (approx. 57 cm.) wide; etc.
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