Australian BOULDER – PRECIOUS OPAL
BOULDER OPALS are so-called MATRIXOPALS – the EDELOPAL parts sit on – or in veins in an iron-containing clay-sandstone matrix.
Nice dark blue OPAL with, depending on the incidence of light, flashing „GREEN SPOTS“ on and in the typical QUILPIE sandstone matrix.
QUILPIE OPAL FIELDS – QUEENSLAND – Australia
Weight: 330 g Dimensions: 12 x 5 x 4 cm
Very CHEAP ONLINE PRICE!