Gemstones understanding, identifying, buying

ग्रंथसूची विवरण
मुख्य लेखक:	Wallis, Keith
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Woodbridge Antique Collectors' Club c2006.
विषय:	Precious stones > Identification. Precious stones > Purchasing.