Gemstones understanding, identifying, buying

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Wallis, Keith
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Woodbridge Antique Collectors' Club c2006.
Ábhair:	Precious stones > Identification. Precious stones > Purchasing.