Given to me in early 1980s from my Mom. Thought it was glass, but tested with Presidium Gem Tester II and result was in ruby, sapphire range. : r/ Gemstones

Presidium Gem Tester II Colored Stones and Diamond Moissanite Tester

Learn about fine minerals & gems at the Wisdom Pocket Blog

MrsGotrocksJewelry

WN00, PDF, Gemstone

Presidium Gem Tester II (PGT II) Testing Diamond, Sapphire, Ruby, Amethyst, and Calibrating

Given to me in early 1980s from my Mom. Thought it was glass, but tested with Presidium Gem Tester II and result was in ruby, sapphire range. : r/ Gemstones

EDITORIAL FEATURE ARTICLES ABOUT THE COVER VOLUME 36 NO. 4 WINTER A Retrospective of the 90s: The Challenge of Change William E. - PDF Free Download

PDF) A statuette containing a large natural blister pearl.

Gem News From Pala International