Causes of colour in gems

dc.contributor.author	Wewegedara, W.G.C.N.
dc.date.accessioned	2022-03-16T07:13:14Z
dc.date.available	2022-03-16T07:13:14Z
dc.date.issued	2015
dc.identifier.citation	Soba, 24(2):p.44-47
dc.identifier.uri	http://envmin.nsf.gov.lk/handle/1/267
dc.publisher	Ministry of Mahaweli Development and Environment:Colombo
dc.subject	Soil Science
dc.subject	Gems
dc.subject	Colour
dc.subject	Transition metal ions
dc.subject	Colour centers
dc.title	Causes of colour in gems
dc.type	Article