William Holland Lapidary School - July 2007 Auction Night << Previous Next >> Gem ID Class William Holland Lapidary School - Topics of Interest Auction Night << Previous Introduction Next >> Gem ID Class Accommodations ClassRooms Show & Tell Auction Night Opal Class Gem ID Class Gem Identification Tools PR Focusable Spectroscope Faceting Rough 272.5ct Fire Opal - Hand Select Gem Rough Gem Scales & Filters PR Digital Carat Scale 100ct x .01ct Click any text above for more information
