LARGE AND IMPRESSIVE BOULDER OPAL SPECIMEN. Queensland, Australia This very large display specimen of boulder opal exhibits vivid stripes of electric blue, green, orange and yellow in a thick seam across the face. Veins of opal within the "cracks" of the ironstone can be seen as evidence of the mineral rich waters having seeped through the clay which then hardened to ironstone. Weighing approximately 8.8lbs (4.0 kilos) and measuring 8 1/2 x 5 x 5 in. PLEASE CHECK AND YOU WILL SEE IT.IT'S PART OF MY DADS COLLECTION.. IT'S IN IRON ROCK.. BUT YOU CAN SEE COLORS ON TOP.
YOU WILL HAVE TO SIGN FOR THIS ITEM!! TAKING IT TO BE CHECK OUT..The item "Rare 4000 Ct Australian Boulder Opal Vivid Colors 8.8 Pounds Museum Piece" is in sale since Tuesday, December 15, 2020. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Crystals". The seller is "eirammai" and is located in El Monte, California. This item can be shipped to United States.