This beautiful Australian boulder opal reminds me of yellow rays of sun streaking through bright blue skies. It is suspended on a sterling silver chain with a handmade sterling silver clasp. The necklace length is short -- just under 15 inches. Australian boulder opal is a rare type of opal that develops and embeds within the veins and hollows of ironstone over time. The ironstone provides the gem durability. (Hence, the layered effect of opal on top, brown ironstone on bottom.)
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