SARATHCHANDRA, W. DHARMARATNE, P.G.R.
Geological studies of the source rock of gem minerals in the area around Hatharabage - Moratuwa University of Moratuwa 1988 - 22 p., ill.
MINERALOGY
PRECIOUS:STONES
549.1(548.7) / S3
Geological studies of the source rock of gem minerals in the area around Hatharabage - Moratuwa University of Moratuwa 1988 - 22 p., ill.
MINERALOGY
PRECIOUS:STONES
549.1(548.7) / S3