Opal In Matrix Classification
Opal In Matrix
brown with seams of play-of-color
precious opal, matrix opal, natural opal type 3
Appearance, RI and fluorescence
Yowah opal is a boulder matrix opal that is cut to display the small seams mixed through out the ironstone.Mainside: boulder matrix opal from Queensland, AustraliaHonduras opal: comes from Honduras and has a basalt matrix. Louisiana opal: has a quartzite matrixIndonesian opal: has dark brown basalt matrix that appears black.