GEOLOGICAL LARGE 3,470 CARAT RUBY CRYSTAL A very large crystal of ruby with adhering matrix and overgrowths of additional ruby. 694 grams (3470 carats), 10.5cm (4 1/"). Fine condition. Rare in this size. Provenance Ex Dr. Ronald Bonewitz collection; from Tanzania. Literature Cf. Bonewitz, Dr. Ronald Louis Smithsonian Rock and Gem, (2008), p.150-151.
GEOLOGICAL LARGE 3,470 CARAT RUBY CRYSTAL A very large crystal of ruby with adhering matrix and overgrowths of additional ruby. 694 grams (3470 carats), 10.5cm (4 1/"). Fine condition. Rare in this size. Provenance Ex Dr. Ronald Bonewitz collection; from Tanzania. Literature Cf. Bonewitz, Dr. Ronald Louis Smithsonian Rock and Gem, (2008), p.150-151.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
