Very Rare, Huge Nice Petrified Sequoia Wood Quartz Agatized Mineral Crystal Brick Slab made of Pure Heavy Marbled Agate, Diamond Cut & Polished to a Mirror Glass Finish on Both Sides and on the end. Solid Agatized Brick of Marbled Agate with Quartz Veins thru out. Fossilized Sequoia Wood with Swirling White & Ivory Quartz Veins of Agatized Quartz running thru out its Length on both sides. Very Heavy weighing more than a Pound. Diamond Cut & Polished to a Mirror Finish on 3 Sides of this Thick, Heavy Brick of Outstanding Sequoia Petrified Wood discovered near the Sequoia National Forest of Northern California! Measures nearly 7″ inches Long (6.6″) x 2.5″ inches wide x 1″ inch Thick. Weight: 497.5 Grams, 1.15 Pounds. This would make a Gorgeous Centerpiece to any Petrified Wood or Agate Quartz Collection! Now Sale Priced for 3 Days Only. How long does it take to become Agatized Petrified Wood? As the wood’s organic tissues slowly break down, the resulting voids in the tree are filled with minerals such as silica rock material. Over millions of years, these minerals crystallize within the wood’s cellular structure forming the stone-like material known as petrified wood. The best known & Most Valuable specimens of petrified wood have been infilled by chalcedony known as Agatized Petrified wood or Agate Wood. This item is in the category “Collectibles\Rocks, Fossils & Minerals\Fossils\Vegetation\Petrified Wood”. The seller is “continuum777″ and is located in this country: US. This item can be shipped worldwide.