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Winter 1989 Gems & Gemology
Updated 2012
Cedar Valley Gems June 2016 Vol
Volume 22 / No. 2 / 1990
The Rollin' Rock
City of Carlsbad C L N 33 Iv 32
Gerrards Auction Rooms
AFMS Lapidary Material Names 2003
Volume 22 / No. 8 / 1991
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