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Beryl variety Emerald in Biotite
Collector: Capt. John Sinkankas
Dimensions:
4.41 with tape; 4 larger pieces: 1.0 x 0.8 x 0.8, 2.20 x 1.25 x 0.40, 1.16 x 1.10 x 0.36, 1.23 x 0.87 x 0.70 cm
Object number: 2017.5.2
DescriptionFragments of crystals in matrix.
Ex. John Sinkankas BY-18.
"J. Sinkankas bought from Reques, London, Sept. 1958. These are fragments for analyses from the backside of specimen illustrated in Em. and Other Beryls by J. Sinkankas. 2.95 Ga=oldest Be mineralization yet disc./dated"
Ex. John Sinkankas BY-18.
"J. Sinkankas bought from Reques, London, Sept. 1958. These are fragments for analyses from the backside of specimen illustrated in Em. and Other Beryls by J. Sinkankas. 2.95 Ga=oldest Be mineralization yet disc./dated"