Agwamarina

Anagwamarinaiyo an malungsing asul sagkod sa mapusyaw na berde na baryedad kanberyl.^[1]An kolor kan agwamarina pwede liwaton sa paagi kan init (minsan ngani an praktis na ini habo kan mga kolektor).^[2]

Toltolan

↑Manutchehr-Danai, Mohsen (2013-03-09).Dictionary of Gems and Gemology(in English).Springer Science+Business Media.p. 24.ISBN 978-3-662-04288-5.
↑Wenk, Hans-Rudolf; Bulakh, Andrei (April 2004).Minerals: Their Constitution and Origin(in English).Cambridge University Press.p. 542.ISBN 978-0-521-52958-7.

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[1] Manutchehr-Danai, Mohsen (2013-03-09).Dictionary of Gems and Gemology(in English).Springer Science+Business Media.p. 24.ISBN 978-3-662-04288-5.

[:Wenk-2] Wenk, Hans-Rudolf; Bulakh, Andrei (April 2004).Minerals: Their Constitution and Origin(in English).Cambridge University Press.p. 542.ISBN 978-0-521-52958-7.

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