What’s In The Box? Playing with color

The most famous precious opal in the US comes from Virgin Valley in Humboldt County, Nevada. Petrified tree trunks buried in volcanic tuffs have developed opals with gorgeous play of color. In this specimen, white common opal infills large holes, while blue and green precious opal is found in pores preserving the tree trunk’s original …

What’s In The Box? Playing with color Read More »