Liab jasper
Liab jasper Liab jasper, qhov sib sau ua ke ntawm microgranular quartz lossis chalcedony thiab lwm yam pob zeb ntu, yog opaque, impure ntau ntawm silica .... Nyeem ntxiv
Hluav taws xob liab beryl
Synthetic liab beryl Advanced thev naus laus zis tam sim no muaj peev xwm ua txhua yam ntawm cov hluavtaws liab beryl. Tau kawg emerald tab sis kuj yog ... Nyeem ntxiv