Quartz [synthetics] — specimen S-005, photo © NMNHS
Quartz [synthetics] — specimen S-005
Weight: 25.65 ct; size: 20.01 | 15.45 | 11.00 mm; shape: octagon; colour: dark yellowish green; clarity: eye clean; cut: good.
Big, very clean specimen; commercial cut; good polish.
More information from ‘Classification’
Produced using a hydrothermal synthesis, a method of synthesis of single crystals that depends on the solubility in hot water under high pressure.