Hydrothermal synthesis includes the various techniques of crystallizing substances from high-temperature aqueous solutions at high vapor pressures; also termed "hydrothermal method."
Quartz sịntetik gụnyere usoro dị iche iche nke ihe dị iche iche sitere na mmiri ọgwụ ọkụ dị elu na nrụgide dị elu, a na-akpọkwa usoro hydrothermal, hydrothermal bụ nke sitere na geologic.