A LARGE COLLECTION OF MINERAL AND HARDSTONE SPECIMENS
19TH CENTURY AND LATER
Including amethyst, green porphyry, Egyptian porphyry, agates and granites
The largest specimen: 11 in. (28 cm.) wide
A LARGE COLLECTION OF MINERAL AND HARDSTONE SPECIMENS
19TH CENTURY AND LATER
Including amethyst, green porphyry, Egyptian porphyry, agates and granites
The largest specimen: 11 in. (28 cm.) wide
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