2.35ct Pear Shape Opal Doublet 12.8x8mm Ultratester 3+ Diamond & Moissanite Tester this model can work very

this model can work very well in the dark environment

Variable speed

LCD digital display for the values of the readings

Focusing Rack

also by rotating the knob to set "bEon"(open buzzer) or "bEoF"(close buzzer)

2.35ct Pear Shape Opal Doublet 12.8x8mm Ultratester 3+ Diamond & Moissanite Tester this model can work veryOpal is probably the most famous phenomenal stone displaying the unparalleled play of colour, a rainbow coloured kaleidoscopic effect. The name opal derives from the word 'opalus' given by the Romans, which is Latin for 'precious stone'. They can be fragile which makes it more suitable for jewellery such as necklaces, brooches and earrings that are less likely to be knocked. Opal is the birthstone for October. Mohs Scale of Hardness: 5. 5 6. 5