PT  - JOURNAL ARTICLE
AU  - Penfield, Samuel Lewis
AU  - Pratt, J. H.
TI  - Effect of the mutual replacement of manganese and iron on the optical properties of lithiophilite and triphylite
AID  - 10.2475/ajs.s3-50.299.387
DP  - 1895 Nov 01
TA  - American Journal of Science
PG  - 387--390
VI  - s3-50
IP  - 299
4099  - http://www.ajsonline.org/content/s3-50/299/387.short
4100  - http://www.ajsonline.org/content/s3-50/299/387.full
SO  - Am J Sci1895 Nov 01; s3-50