Opal in Petrified Wood (Opalized Wood)Here we have an exciting piece of Precious Opal replacing Petrified Wood from the Java, Indonesia. This piece was mined in 2019. It features tiny spots of highly colorful Precious Opal which shows bright color flashes of red, gold, orange, yellow and green which have formed in brownish black Petrified Wood. The specimen is slightly polished rounded to help the Opal really shine. The Opal honestly doesn't need a strong light to show off the color, and

It is not a simple twin consisting of two blades

Specimen # TUC31729

This piece is from the type locality for this material which was discovered along the Contacto and San Jose veins in this mine and was first described by Sam Gordon and Mark Bandy

yet very rare aluminum phosphate which often forms in soft blue masses

crystallized

but it truly must be seen in person to appreciate its gemminess and elegant beauty

These were the first Barites that I personally ever acquired from Bolivia

Brett Kosnar

It has an "Oval" cut with nearly eye clean clarity but perhaps the most intriguing part is that it features a strong glowing sapphire blue color (comparable to Hauyne) that is not often associated with Afghanite

most often as blades

at first glance

"sword"-shaped crystal of rich emerald green Vivianite is beautifully perched atop contrasting red argillaceous sandstone