Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester, By Gentle Angel Treasures

Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester

Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester, By Gentle Angel Treasures

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Arts, Crafts & Sewing

Presidium Gem Tester/Colored Stone Estimator II, PGT II

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Arts, Crafts & Sewing

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Presidium Duo Tester PDT Diamond Gemstone Tester

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Arts, Crafts & Sewing

Testing created frosted #quartz with my Presidium Gem Tester II. The results may surprise you. #presidium #semipreciousgemstones #presidiumgemtester, By Gentle Angel Treasures

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Presidium Duo Tester PDT Diamond Gemstone Tester