แม่แบบ:R:en:Chester:1896
Chester, Albert Huntington (1896), “R:en:Chester:1896”, in A Dictionary of the Names of Minerals Including Their History and Etymology, New York, London: J. Wiley & Sons, Chapman & Hall, OCLC 594214757
Chester, Albert Huntington (1896), “R:en:Chester:1896”, in A Dictionary of the Names of Minerals Including Their History and Etymology, New York, London: J. Wiley & Sons, Chapman & Hall, OCLC 594214757